def __init__(self, world = None, mesh = None, animation = None, startFrame = 0, endFrame = None, loop = True, parent = None, **kargs): self.world = world if not parent and mesh: parent = mesh.model super(Animation, self).__init__(parent = parent, **kargs) self.mesh = mesh self.animation = animation self.startFrame = startFrame self.endFrame = endFrame self.loop = loop if self.mesh: for layer in self.mesh.layers: actor = Actor(self.mesh.getModel(layer)) self.setActor(actor, layer) if not self.animation: self.setAnimation(actor.getAnimNames()[0]) if not self.endFrame: self.endFrame = self.actor.getNumFrames(self.animation)-1 self.numFrames = (self.endFrame-self.startFrame)+1 self.duration = self.actor.getDuration(self.animation) if self.world: self.world.addAnimation(self)
def __init__(self): base.disableMouse() camera.setPos(0, -50, 0) # Check video card capabilities. if (base.win.getGsg().getSupportsBasicShaders() == 0): addTitle( "Toon Shader: Video driver reports that shaders are not supported." ) return # Post the instructions. self.title = addTitle( "Panda3D: Tutorial - Toon Shading with Normals-Based Inking") self.inst1 = addInstructions(0.95, "ESC: Quit") self.inst2 = addInstructions( 0.90, "Up/Down: Increase/Decrease Line Thickness") self.inst3 = addInstructions( 0.85, "Left/Right: Decrease/Increase Line Darkness") self.inst4 = addInstructions(0.80, "V: View the render-to-texture results") # This shader's job is to render the model with discrete lighting # levels. The lighting calculations built into the shader assume # a single nonattenuating point light. tempnode = NodePath(PandaNode("temp node")) tempnode.setShader(Shader.load(os.path.join(PANDA_SHADER_PATH, \ "samples/cartoon/cartoon_lighting.sha"))) base.cam.node().setInitialState(tempnode.getState()) # This is the object that represents the single "light", as far # the shader is concerned. It's not a real Panda3D LightNode, but # the shader doesn't care about that. light = render.attachNewNode("light") light.setPos(30, -50, 0) # this call puts the light's nodepath into the render state. # this enables the shader to access this light by name. render.setShaderInput("light", light) # The "normals buffer" will contain a picture of the model colorized # so that the color of the model is a representation of the model's # normal at that point. normalsBuffer = base.win.makeTextureBuffer("normalsBuffer", 0, 0) normalsBuffer.setClearColor(Vec4(0.5, 0.5, 0.5, 1)) self.normalsBuffer = normalsBuffer normalsCamera = base.makeCamera(normalsBuffer, lens=base.cam.node().getLens()) normalsCamera.node().setScene(render) tempnode = NodePath(PandaNode("temp node")) tempnode.setShader(Shader.load(os.path.join(PANDA_SHADER_PATH, \ "samples/cartoon/cartoon_normal.sha"))) normalsCamera.node().setInitialState(tempnode.getState()) #what we actually do to put edges on screen is apply them as a texture to #a transparent screen-fitted card drawnScene = normalsBuffer.getTextureCard() drawnScene.setTransparency(1) drawnScene.setColor(1, 1, 1, 0) drawnScene.reparentTo(render2d) self.drawnScene = drawnScene # this shader accepts, as input, the picture from the normals buffer. # it compares each adjacent pixel, looking for discontinuities. # wherever a discontinuity exists, it emits black ink. self.separation = 0.001 self.cutoff = 0.3 inkGen=Shader.load(os.path.join(PANDA_SHADER_PATH, \ "samples/cartoon/cartoon_ink.sha")) drawnScene.setShader(inkGen) drawnScene.setShaderInput("separation", Vec4(self.separation, 0, self.separation, 0)) drawnScene.setShaderInput( "cutoff", Vec4(self.cutoff, self.cutoff, self.cutoff, self.cutoff)) # Panda contains a built-in viewer that lets you view the results of # your render-to-texture operations. This code configures the viewer. self.accept("v", base.bufferViewer.toggleEnable) self.accept("V", base.bufferViewer.toggleEnable) base.bufferViewer.setPosition("llcorner") # Load a dragon model and animate it. self.character = Actor() self.character.loadModel('models/samples/cartoon/nik_dragon') self.character.reparentTo(render) self.character.loadAnims({'win': 'models/samples/cartoon/nik_dragon'}) self.character.loop('win') self.character.hprInterval(15, Point3(360, 0, 0)).loop() # these allow you to change cartooning parameters in realtime self.accept("escape", sys.exit, [0]) self.accept("arrow_up", self.increaseSeparation) self.accept("arrow_down", self.decreaseSeparation) self.accept("arrow_left", self.increaseCutoff) self.accept("arrow_right", self.decreaseCutoff)
def __init__(self): base.disableMouse() base.cam.node().getLens().setNear(10.0) base.cam.node().getLens().setFar(200.0) camera.setPos(0, -50, 0) # Check video card capabilities. if (base.win.getGsg().getSupportsBasicShaders() == 0): addTitle("Toon Shader: Video driver reports that shaders are not supported.") return # Enable a 'light ramp' - this discretizes the lighting, # which is half of what makes a model look like a cartoon. # Light ramps only work if shader generation is enabled, # so we call 'setShaderAuto'. tempnode = NodePath(PandaNode("temp node")) tempnode.setAttrib(LightRampAttrib.makeSingleThreshold(0.5, 0.4)) tempnode.setShaderAuto() base.cam.node().setInitialState(tempnode.getState()) # Use class 'CommonFilters' to enable a cartoon inking filter. # This can fail if the video card is not powerful enough, if so, # display an error and exit. self.separation = 1 # Pixels self.filters = CommonFilters(base.win, base.cam) filterok = self.filters.setCartoonInk(separation=self.separation) if (filterok == False): addTitle("Toon Shader: Video card not powerful enough to do image postprocessing") return # Post the instructions. self.title = addTitle("Panda3D: Tutorial - Toon Shading with Normals-Based Inking") self.inst1 = addInstructions(0.95,"ESC: Quit") self.inst2 = addInstructions(0.90,"Up/Down: Increase/Decrease Line Thickness") self.inst3 = addInstructions(0.85,"V: View the render-to-texture results") # Load a dragon model and animate it. self.character = Actor() self.character.loadModel('models/samples/cartoon/nik_dragon') self.character.reparentTo(render) self.character.loadAnims({'win': 'models/samples/cartoon/nik_dragon'}) self.character.loop('win') self.character.hprInterval(15, Point3(360, 0,0)).loop() # Create a non-attenuating point light and an ambient light. plightnode = PointLight("point light") plightnode.setAttenuation(Vec3(1,0,0)) plight = render.attachNewNode(plightnode) plight.setPos(30,-50,0) alightnode = AmbientLight("ambient light") alightnode.setColor(Vec4(0.8,0.8,0.8,1)) alight = render.attachNewNode(alightnode) render.setLight(alight) render.setLight(plight) # Panda contains a built-in viewer that lets you view the # results of all render-to-texture operations. This lets you # see what class CommonFilters is doing behind the scenes. self.accept("v", base.bufferViewer.toggleEnable) self.accept("V", base.bufferViewer.toggleEnable) base.bufferViewer.setPosition("llcorner") self.accept("s", self.filters.manager.resizeBuffers) # These allow you to change cartooning parameters in realtime self.accept("escape", sys.exit, [0]) self.accept("arrow_up", self.increaseSeparation) self.accept("arrow_down", self.decreaseSeparation)
def __init__(self): self.keyMap = {"left":0, "right":0, "forward":0, "cam-left":0, "cam-right":0} base.win.setClearColor(Vec4(0,0,0,1)) # Post the instructions self.title = addTitle("Panda3D Tutorial: Roaming Ralph (Walking on Uneven Terrain)") self.inst1 = addInstructions(0.95, "[ESC]: Quit") self.inst2 = addInstructions(0.90, "[Left Arrow]: Rotate Ralph Left") self.inst3 = addInstructions(0.85, "[Right Arrow]: Rotate Ralph Right") self.inst4 = addInstructions(0.80, "[Up Arrow]: Run Ralph Forward") self.inst6 = addInstructions(0.70, "[A]: Rotate Camera Left") self.inst7 = addInstructions(0.65, "[S]: Rotate Camera Right") # Set up the environment # # This environment model contains collision meshes. If you look # in the egg file, you will see the following: # # <Collide> { Polyset keep descend } # # This tag causes the following mesh to be converted to a collision # mesh -- a mesh which is optimized for collision, not rendering. # It also keeps the original mesh, so there are now two copies --- # one optimized for rendering, one for collisions. self.environ = loader.loadModel("models/samples/roaming_ralph/world") self.environ.reparentTo(render) self.environ.setPos(0,0,0) # Create the main character, Ralph ralphStartPos = self.environ.find("**/start_point").getPos() self.ralph = Actor("models/samples/roaming_ralph/ralph", {"run":"models/samples/roaming_ralph/ralph_run", "walk":"models/samples/roaming_ralph/ralph_walk"}) self.ralph.reparentTo(render) self.ralph.setScale(.2) self.ralph.setPos(ralphStartPos) # Create a floater object. We use the "floater" as a temporary # variable in a variety of calculations. self.floater = NodePath(PandaNode("floater")) self.floater.reparentTo(render) # Accept the control keys for movement and rotation self.accept("escape", sys.exit) self.accept("arrow_left", self.setKey, ["left",1]) self.accept("arrow_right", self.setKey, ["right",1]) self.accept("arrow_up", self.setKey, ["forward",1]) self.accept("a", self.setKey, ["cam-left",1]) self.accept("s", self.setKey, ["cam-right",1]) self.accept("arrow_left-up", self.setKey, ["left",0]) self.accept("arrow_right-up", self.setKey, ["right",0]) self.accept("arrow_up-up", self.setKey, ["forward",0]) self.accept("a-up", self.setKey, ["cam-left",0]) self.accept("s-up", self.setKey, ["cam-right",0]) taskMgr.add(self.move,"moveTask") # Game state variables self.isMoving = False # Set up the camera base.disableMouse() base.camera.setPos(self.ralph.getX(),self.ralph.getY()+10,2) # We will detect the height of the terrain by creating a collision # ray and casting it downward toward the terrain. One ray will # start above ralph's head, and the other will start above the camera. # A ray may hit the terrain, or it may hit a rock or a tree. If it # hits the terrain, we can detect the height. If it hits anything # else, we rule that the move is illegal. self.cTrav = CollisionTraverser() self.ralphGroundRay = CollisionRay() self.ralphGroundRay.setOrigin(0,0,1000) self.ralphGroundRay.setDirection(0,0,-1) self.ralphGroundCol = CollisionNode('ralphRay') self.ralphGroundCol.addSolid(self.ralphGroundRay) self.ralphGroundCol.setFromCollideMask(BitMask32.bit(0)) self.ralphGroundCol.setIntoCollideMask(BitMask32.allOff()) self.ralphGroundColNp = self.ralph.attachNewNode(self.ralphGroundCol) self.ralphGroundHandler = CollisionHandlerQueue() self.cTrav.addCollider(self.ralphGroundColNp, self.ralphGroundHandler) self.camGroundRay = CollisionRay() self.camGroundRay.setOrigin(0,0,1000) self.camGroundRay.setDirection(0,0,-1) self.camGroundCol = CollisionNode('camRay') self.camGroundCol.addSolid(self.camGroundRay) self.camGroundCol.setFromCollideMask(BitMask32.bit(0)) self.camGroundCol.setIntoCollideMask(BitMask32.allOff()) self.camGroundColNp = base.camera.attachNewNode(self.camGroundCol) self.camGroundHandler = CollisionHandlerQueue() self.cTrav.addCollider(self.camGroundColNp, self.camGroundHandler)
class World(DirectObject): def __init__(self): self.keyMap = {"left":0, "right":0, "forward":0, "cam-left":0, "cam-right":0} base.win.setClearColor(Vec4(0,0,0,1)) # Post the instructions self.title = addTitle("Panda3D Tutorial: Roaming Ralph (Walking on Uneven Terrain)") self.inst1 = addInstructions(0.95, "[ESC]: Quit") self.inst2 = addInstructions(0.90, "[Left Arrow]: Rotate Ralph Left") self.inst3 = addInstructions(0.85, "[Right Arrow]: Rotate Ralph Right") self.inst4 = addInstructions(0.80, "[Up Arrow]: Run Ralph Forward") self.inst6 = addInstructions(0.70, "[A]: Rotate Camera Left") self.inst7 = addInstructions(0.65, "[S]: Rotate Camera Right") # Set up the environment # # This environment model contains collision meshes. If you look # in the egg file, you will see the following: # # <Collide> { Polyset keep descend } # # This tag causes the following mesh to be converted to a collision # mesh -- a mesh which is optimized for collision, not rendering. # It also keeps the original mesh, so there are now two copies --- # one optimized for rendering, one for collisions. self.environ = loader.loadModel("models/samples/roaming_ralph/world") self.environ.reparentTo(render) self.environ.setPos(0,0,0) # Create the main character, Ralph ralphStartPos = self.environ.find("**/start_point").getPos() self.ralph = Actor("models/samples/roaming_ralph/ralph", {"run":"models/samples/roaming_ralph/ralph_run", "walk":"models/samples/roaming_ralph/ralph_walk"}) self.ralph.reparentTo(render) self.ralph.setScale(.2) self.ralph.setPos(ralphStartPos) # Create a floater object. We use the "floater" as a temporary # variable in a variety of calculations. self.floater = NodePath(PandaNode("floater")) self.floater.reparentTo(render) # Accept the control keys for movement and rotation self.accept("escape", sys.exit) self.accept("arrow_left", self.setKey, ["left",1]) self.accept("arrow_right", self.setKey, ["right",1]) self.accept("arrow_up", self.setKey, ["forward",1]) self.accept("a", self.setKey, ["cam-left",1]) self.accept("s", self.setKey, ["cam-right",1]) self.accept("arrow_left-up", self.setKey, ["left",0]) self.accept("arrow_right-up", self.setKey, ["right",0]) self.accept("arrow_up-up", self.setKey, ["forward",0]) self.accept("a-up", self.setKey, ["cam-left",0]) self.accept("s-up", self.setKey, ["cam-right",0]) taskMgr.add(self.move,"moveTask") # Game state variables self.isMoving = False # Set up the camera base.disableMouse() base.camera.setPos(self.ralph.getX(),self.ralph.getY()+10,2) # We will detect the height of the terrain by creating a collision # ray and casting it downward toward the terrain. One ray will # start above ralph's head, and the other will start above the camera. # A ray may hit the terrain, or it may hit a rock or a tree. If it # hits the terrain, we can detect the height. If it hits anything # else, we rule that the move is illegal. self.cTrav = CollisionTraverser() self.ralphGroundRay = CollisionRay() self.ralphGroundRay.setOrigin(0,0,1000) self.ralphGroundRay.setDirection(0,0,-1) self.ralphGroundCol = CollisionNode('ralphRay') self.ralphGroundCol.addSolid(self.ralphGroundRay) self.ralphGroundCol.setFromCollideMask(BitMask32.bit(0)) self.ralphGroundCol.setIntoCollideMask(BitMask32.allOff()) self.ralphGroundColNp = self.ralph.attachNewNode(self.ralphGroundCol) self.ralphGroundHandler = CollisionHandlerQueue() self.cTrav.addCollider(self.ralphGroundColNp, self.ralphGroundHandler) self.camGroundRay = CollisionRay() self.camGroundRay.setOrigin(0,0,1000) self.camGroundRay.setDirection(0,0,-1) self.camGroundCol = CollisionNode('camRay') self.camGroundCol.addSolid(self.camGroundRay) self.camGroundCol.setFromCollideMask(BitMask32.bit(0)) self.camGroundCol.setIntoCollideMask(BitMask32.allOff()) self.camGroundColNp = base.camera.attachNewNode(self.camGroundCol) self.camGroundHandler = CollisionHandlerQueue() self.cTrav.addCollider(self.camGroundColNp, self.camGroundHandler) # Uncomment this line to see the collision rays #self.ralphGroundColNp.show() #self.camGroundColNp.show() #Uncomment this line to show a visual representation of the #collisions occuring #self.cTrav.showCollisions(render) #Records the state of the arrow keys def setKey(self, key, value): self.keyMap[key] = value # Accepts arrow keys to move either the player or the menu cursor, # Also deals with grid checking and collision detection def move(self, task): # Get the time elapsed since last frame. We need this # for framerate-independent movement. elapsed = globalClock.getDt() # If the camera-left key is pressed, move camera left. # If the camera-right key is pressed, move camera right. base.camera.lookAt(self.ralph) if (self.keyMap["cam-left"]!=0): base.camera.setX(base.camera, -(elapsed*20)) if (self.keyMap["cam-right"]!=0): base.camera.setX(base.camera, +(elapsed*20)) # save ralph's initial position so that we can restore it, # in case he falls off the map or runs into something. startpos = self.ralph.getPos() # If a move-key is pressed, move ralph in the specified direction. if (self.keyMap["left"]!=0): self.ralph.setH(self.ralph.getH() + elapsed*300) if (self.keyMap["right"]!=0): self.ralph.setH(self.ralph.getH() - elapsed*300) if (self.keyMap["forward"]!=0): self.ralph.setY(self.ralph, -(elapsed*25)) # If ralph is moving, loop the run animation. # If he is standing still, stop the animation. if (self.keyMap["forward"]!=0) or (self.keyMap["left"]!=0) or (self.keyMap["right"]!=0): if self.isMoving is False: self.ralph.loop("run") self.isMoving = True else: if self.isMoving: self.ralph.stop() self.ralph.pose("walk",5) self.isMoving = False # If the camera is too far from ralph, move it closer. # If the camera is too close to ralph, move it farther. camvec = self.ralph.getPos() - base.camera.getPos() camvec.setZ(0) camdist = camvec.length() camvec.normalize() if (camdist > 10.0): base.camera.setPos(base.camera.getPos() + camvec*(camdist-10)) camdist = 10.0 if (camdist < 5.0): base.camera.setPos(base.camera.getPos() - camvec*(5-camdist)) camdist = 5.0 # Now check for collisions. self.cTrav.traverse(render) # Adjust ralph's Z coordinate. If ralph's ray hit terrain, # update his Z. If it hit anything else, or didn't hit anything, put # him back where he was last frame. entries = [] for i in range(self.ralphGroundHandler.getNumEntries()): entry = self.ralphGroundHandler.getEntry(i) entries.append(entry) entries.sort(lambda x,y: cmp(y.getSurfacePoint(render).getZ(), x.getSurfacePoint(render).getZ())) if (len(entries)>0) and (entries[0].getIntoNode().getName() == "terrain"): self.ralph.setZ(entries[0].getSurfacePoint(render).getZ()) else: self.ralph.setPos(startpos) # Keep the camera at one foot above the terrain, # or two feet above ralph, whichever is greater. entries = [] for i in range(self.camGroundHandler.getNumEntries()): entry = self.camGroundHandler.getEntry(i) entries.append(entry) entries.sort(lambda x,y: cmp(y.getSurfacePoint(render).getZ(), x.getSurfacePoint(render).getZ())) if (len(entries)>0) and (entries[0].getIntoNode().getName() == "terrain"): base.camera.setZ(entries[0].getSurfacePoint(render).getZ()+1.0) if (base.camera.getZ() < self.ralph.getZ() + 2.0): base.camera.setZ(self.ralph.getZ() + 2.0) # The camera should look in ralph's direction, # but it should also try to stay horizontal, so look at # a floater which hovers above ralph's head. self.floater.setPos(self.ralph.getPos()) self.floater.setZ(self.ralph.getZ() + 2.0) base.camera.lookAt(self.floater) return Task.cont
def makeTvMan(self,x,y,z,tex,playrate): man = Actor() man.loadModel('models/samples/teapot_on_tv/mechman_idle') man.setPos(x,y,z) man.reparentTo(render) fp = man.find("**/faceplate") fp.setTexture(tex,1) man.setPlayRate(playrate, "mechman_anim") man.loop("mechman_anim") self.tvMen.append(man)
class World(DirectObject): def __init__(self): self.keyMap = { "left": 0, "right": 0, "forward": 0, "cam-left": 0, "cam-right": 0 } base.win.setClearColor(Vec4(0, 0, 0, 1)) # Post the instructions self.title = addTitle( "Panda3D Tutorial: Roaming Ralph (Walking on Uneven Terrain)") self.inst1 = addInstructions(0.95, "[ESC]: Quit") self.inst2 = addInstructions(0.90, "[Left Arrow]: Rotate Ralph Left") self.inst3 = addInstructions(0.85, "[Right Arrow]: Rotate Ralph Right") self.inst4 = addInstructions(0.80, "[Up Arrow]: Run Ralph Forward") self.inst6 = addInstructions(0.70, "[A]: Rotate Camera Left") self.inst7 = addInstructions(0.65, "[S]: Rotate Camera Right") # Set up the environment # # This environment model contains collision meshes. If you look # in the egg file, you will see the following: # # <Collide> { Polyset keep descend } # # This tag causes the following mesh to be converted to a collision # mesh -- a mesh which is optimized for collision, not rendering. # It also keeps the original mesh, so there are now two copies --- # one optimized for rendering, one for collisions. self.environ = loader.loadModel("models/samples/roaming_ralph/world") self.environ.reparentTo(render) self.environ.setPos(0, 0, 0) # Create the main character, Ralph ralphStartPos = self.environ.find("**/start_point").getPos() self.ralph = Actor( "models/samples/roaming_ralph/ralph", { "run": "models/samples/roaming_ralph/ralph_run", "walk": "models/samples/roaming_ralph/ralph_walk" }) self.ralph.reparentTo(render) self.ralph.setScale(.2) self.ralph.setPos(ralphStartPos) # Create a floater object. We use the "floater" as a temporary # variable in a variety of calculations. self.floater = NodePath(PandaNode("floater")) self.floater.reparentTo(render) # Accept the control keys for movement and rotation self.accept("escape", sys.exit) self.accept("arrow_left", self.setKey, ["left", 1]) self.accept("arrow_right", self.setKey, ["right", 1]) self.accept("arrow_up", self.setKey, ["forward", 1]) self.accept("a", self.setKey, ["cam-left", 1]) self.accept("s", self.setKey, ["cam-right", 1]) self.accept("arrow_left-up", self.setKey, ["left", 0]) self.accept("arrow_right-up", self.setKey, ["right", 0]) self.accept("arrow_up-up", self.setKey, ["forward", 0]) self.accept("a-up", self.setKey, ["cam-left", 0]) self.accept("s-up", self.setKey, ["cam-right", 0]) taskMgr.add(self.move, "moveTask") # Game state variables self.isMoving = False # Set up the camera base.disableMouse() base.camera.setPos(self.ralph.getX(), self.ralph.getY() + 10, 2) # We will detect the height of the terrain by creating a collision # ray and casting it downward toward the terrain. One ray will # start above ralph's head, and the other will start above the camera. # A ray may hit the terrain, or it may hit a rock or a tree. If it # hits the terrain, we can detect the height. If it hits anything # else, we rule that the move is illegal. self.cTrav = CollisionTraverser() self.ralphGroundRay = CollisionRay() self.ralphGroundRay.setOrigin(0, 0, 1000) self.ralphGroundRay.setDirection(0, 0, -1) self.ralphGroundCol = CollisionNode('ralphRay') self.ralphGroundCol.addSolid(self.ralphGroundRay) self.ralphGroundCol.setFromCollideMask(BitMask32.bit(0)) self.ralphGroundCol.setIntoCollideMask(BitMask32.allOff()) self.ralphGroundColNp = self.ralph.attachNewNode(self.ralphGroundCol) self.ralphGroundHandler = CollisionHandlerQueue() self.cTrav.addCollider(self.ralphGroundColNp, self.ralphGroundHandler) self.camGroundRay = CollisionRay() self.camGroundRay.setOrigin(0, 0, 1000) self.camGroundRay.setDirection(0, 0, -1) self.camGroundCol = CollisionNode('camRay') self.camGroundCol.addSolid(self.camGroundRay) self.camGroundCol.setFromCollideMask(BitMask32.bit(0)) self.camGroundCol.setIntoCollideMask(BitMask32.allOff()) self.camGroundColNp = base.camera.attachNewNode(self.camGroundCol) self.camGroundHandler = CollisionHandlerQueue() self.cTrav.addCollider(self.camGroundColNp, self.camGroundHandler) # Uncomment this line to see the collision rays #self.ralphGroundColNp.show() #self.camGroundColNp.show() #Uncomment this line to show a visual representation of the #collisions occuring #self.cTrav.showCollisions(render) #Records the state of the arrow keys def setKey(self, key, value): self.keyMap[key] = value # Accepts arrow keys to move either the player or the menu cursor, # Also deals with grid checking and collision detection def move(self, task): # Get the time elapsed since last frame. We need this # for framerate-independent movement. elapsed = globalClock.getDt() # If the camera-left key is pressed, move camera left. # If the camera-right key is pressed, move camera right. base.camera.lookAt(self.ralph) if (self.keyMap["cam-left"] != 0): base.camera.setX(base.camera, -(elapsed * 20)) if (self.keyMap["cam-right"] != 0): base.camera.setX(base.camera, +(elapsed * 20)) # save ralph's initial position so that we can restore it, # in case he falls off the map or runs into something. startpos = self.ralph.getPos() # If a move-key is pressed, move ralph in the specified direction. if (self.keyMap["left"] != 0): self.ralph.setH(self.ralph.getH() + elapsed * 300) if (self.keyMap["right"] != 0): self.ralph.setH(self.ralph.getH() - elapsed * 300) if (self.keyMap["forward"] != 0): self.ralph.setY(self.ralph, -(elapsed * 25)) # If ralph is moving, loop the run animation. # If he is standing still, stop the animation. if (self.keyMap["forward"] != 0) or (self.keyMap["left"] != 0) or (self.keyMap["right"] != 0): if self.isMoving is False: self.ralph.loop("run") self.isMoving = True else: if self.isMoving: self.ralph.stop() self.ralph.pose("walk", 5) self.isMoving = False # If the camera is too far from ralph, move it closer. # If the camera is too close to ralph, move it farther. camvec = self.ralph.getPos() - base.camera.getPos() camvec.setZ(0) camdist = camvec.length() camvec.normalize() if (camdist > 10.0): base.camera.setPos(base.camera.getPos() + camvec * (camdist - 10)) camdist = 10.0 if (camdist < 5.0): base.camera.setPos(base.camera.getPos() - camvec * (5 - camdist)) camdist = 5.0 # Now check for collisions. self.cTrav.traverse(render) # Adjust ralph's Z coordinate. If ralph's ray hit terrain, # update his Z. If it hit anything else, or didn't hit anything, put # him back where he was last frame. entries = [] for i in range(self.ralphGroundHandler.getNumEntries()): entry = self.ralphGroundHandler.getEntry(i) entries.append(entry) entries.sort(lambda x, y: cmp( y.getSurfacePoint(render).getZ(), x.getSurfacePoint(render).getZ())) if (len(entries) > 0) and (entries[0].getIntoNode().getName() == "terrain"): self.ralph.setZ(entries[0].getSurfacePoint(render).getZ()) else: self.ralph.setPos(startpos) # Keep the camera at one foot above the terrain, # or two feet above ralph, whichever is greater. entries = [] for i in range(self.camGroundHandler.getNumEntries()): entry = self.camGroundHandler.getEntry(i) entries.append(entry) entries.sort(lambda x, y: cmp( y.getSurfacePoint(render).getZ(), x.getSurfacePoint(render).getZ())) if (len(entries) > 0) and (entries[0].getIntoNode().getName() == "terrain"): base.camera.setZ(entries[0].getSurfacePoint(render).getZ() + 1.0) if (base.camera.getZ() < self.ralph.getZ() + 2.0): base.camera.setZ(self.ralph.getZ() + 2.0) # The camera should look in ralph's direction, # but it should also try to stay horizontal, so look at # a floater which hovers above ralph's head. self.floater.setPos(self.ralph.getPos()) self.floater.setZ(self.ralph.getZ() + 2.0) base.camera.lookAt(self.floater) return Task.cont
def __init__(self): base.disableMouse() base.setBackgroundColor(0, 0, 0) camera.setPos(0, -50, 0) # Check video card capabilities. if (base.win.getGsg().getSupportsBasicShaders() == 0): addTitle( "Glow Filter: Video driver reports that shaders are not supported." ) return # Post the instructions self.title = addTitle("Panda3D: Tutorial - Glow Filter") self.inst1 = addInstructions(0.95, "ESC: Quit") self.inst2 = addInstructions(0.90, "Space: Toggle Glow Filter On/Off") self.inst3 = addInstructions(0.85, "Enter: Toggle Running/Spinning") self.inst4 = addInstructions(0.80, "V: View the render-to-texture results") #create the shader that will determime what parts of the scene will glow glowShader=Shader.load(os.path.join(PANDA_SHADER_PATH, \ "samples/glow/glow_shader.sha")) # load our model self.tron = Actor() self.tron.loadModel("models/samples/glow/tron") self.tron.loadAnims({"running": "models/samples/glow/tron_anim"}) self.tron.reparentTo(render) self.interval = self.tron.hprInterval(60, Point3(360, 0, 0)) self.interval.loop() self.isRunning = False #put some lighting on the tron model dlight = DirectionalLight('dlight') alight = AmbientLight('alight') dlnp = render.attachNewNode(dlight) alnp = render.attachNewNode(alight) dlight.setColor(Vec4(1.0, 0.7, 0.2, 1)) alight.setColor(Vec4(0.2, 0.2, 0.2, 1)) dlnp.setHpr(0, -60, 0) render.setLight(dlnp) render.setLight(alnp) # create the glow buffer. This buffer renders like a normal scene, # except that only the glowing materials should show up nonblack. glowBuffer = base.win.makeTextureBuffer("Glow scene", 512, 512) glowBuffer.setSort(-3) glowBuffer.setClearColor(Vec4(0, 0, 0, 1)) # We have to attach a camera to the glow buffer. The glow camera # must have the same frustum as the main camera. As long as the aspect # ratios match, the rest will take care of itself. glowCamera = base.makeCamera(glowBuffer, lens=base.cam.node().getLens()) # Tell the glow camera to use the glow shader tempnode = NodePath(PandaNode("temp node")) tempnode.setShader(glowShader) glowCamera.node().setInitialState(tempnode.getState()) # set up the pipeline: from glow scene to blur x to blur y to main window. blurXBuffer=makeFilterBuffer(glowBuffer, "Blur X", -2, \ os.path.join(PANDA_SHADER_PATH, "samples/glow/glow_xblur.sha")) blurYBuffer=makeFilterBuffer(blurXBuffer, "Blur Y", -1, \ os.path.join(PANDA_SHADER_PATH, "samples/glow/glow_yblur.sha")) self.finalcard = blurYBuffer.getTextureCard() self.finalcard.reparentTo(render2d) self.finalcard.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd)) # Panda contains a built-in viewer that lets you view the results of # your render-to-texture operations. This code configures the viewer. self.accept("v", base.bufferViewer.toggleEnable) self.accept("V", base.bufferViewer.toggleEnable) base.bufferViewer.setPosition("llcorner") base.bufferViewer.setLayout("hline") base.bufferViewer.setCardSize(0.652, 0) # event handling self.accept("space", self.toggleGlow) self.accept("enter", self.toggleDisplay) self.accept("escape", sys.exit, [0]) self.glowOn = True
def __init__(self): #This code puts the standard title and instruction text on screen self.title = OnscreenText(text="Panda3D: Tutorial - Joint Manipulation", style=1, fg=(1,1,1,1), font = font, pos=(0.7,-0.95), scale = .07) self.onekeyText = genLabelText("ESC: Quit", 0) self.onekeyText = genLabelText("[1]: Teapot", 1) self.twokeyText = genLabelText("[2]: Candy cane", 2) self.threekeyText = genLabelText("[3]: Banana", 3) self.fourkeyText = genLabelText("[4]: Sword", 4) #setup key input self.accept('escape', sys.exit) self.accept('1', self.setObject, [0]) self.accept('2', self.setObject, [1]) self.accept('3', self.setObject, [2]) self.accept('4', self.setObject, [3]) base.disableMouse() #Disable mouse-based camera-control camera.setPos(0,-15, 2) #Position the camera self.eve = Actor("models/samples/looking_and_gripping/eve", #Load our animated charachter {'walk' : "models/samples/looking_and_gripping/eve_walk"}) self.eve.reparentTo(render) #Put it in the scene #Now we use controlJoint to get a NodePath that's in control of her neck #This must be done before any animations are played self.eveNeck = self.eve.controlJoint(None, 'modelRoot', 'Neck') #We now play an animation. An animation must be played, or at least posed #for the nodepath we just got from controlJoint to actually effect the model self.eve.actorInterval("walk", playRate = 2).loop() #Now we add a task that will take care of turning the head taskMgr.add(self.turnHead, "turnHead") #Now we will expose the joint the hand joint. ExposeJoint allows us to #get the position of a joint while it is animating. This is different than #controlJonit which stops that joint from animating but lets us move it. #This is particularly usefull for putting an object (like a weapon) in an #actor's hand self.rightHand = self.eve.exposeJoint(None, 'modelRoot', 'RightHand') #This is a table with models, positions, rotations, and scales of objects to #be attached to our exposed joint. These are stock models and so they needed #to be repositioned to look right. positions = [("models/samples/looking_and_gripping/teapot", \ (0,-.66,-.95), (90,0,90), .4), ("models/samples/looking_and_gripping/candycane", \ (.15,-.99,-.22), (90,0,90), 1), ("models/samples/looking_and_gripping/banana", \ (.08,-.1,.09), (0,-90,0), 1.75), ("models/samples/looking_and_gripping/sword", \ (.11,.19,.06), (0,0,90), 1)] self.models = [] #A list that will store our models objects for row in positions: np = loader.loadModel(row[0]) #Load the model np.setPos(row[1][0], row[1][1], row[1][2]) #Position it np.setHpr(row[2][0], row[2][1], row[2][2]) #Rotate it np.setScale(row[3]) #Scale it #Reparent the model to the exposed joint. That way when the joint moves, #the model we just loaded will move with it. np.reparentTo(self.rightHand) self.models.append(np) #Add it to our models list self.setObject(0) #Make object 0 the first shown self.setupLights() #Put in some default lighting
class World(DirectObject): def __init__(self): #This code puts the standard title and instruction text on screen self.title = OnscreenText(text="Panda3D: Tutorial - Joint Manipulation", style=1, fg=(1,1,1,1), font = font, pos=(0.7,-0.95), scale = .07) self.onekeyText = genLabelText("ESC: Quit", 0) self.onekeyText = genLabelText("[1]: Teapot", 1) self.twokeyText = genLabelText("[2]: Candy cane", 2) self.threekeyText = genLabelText("[3]: Banana", 3) self.fourkeyText = genLabelText("[4]: Sword", 4) #setup key input self.accept('escape', sys.exit) self.accept('1', self.setObject, [0]) self.accept('2', self.setObject, [1]) self.accept('3', self.setObject, [2]) self.accept('4', self.setObject, [3]) base.disableMouse() #Disable mouse-based camera-control camera.setPos(0,-15, 2) #Position the camera self.eve = Actor("models/samples/looking_and_gripping/eve", #Load our animated charachter {'walk' : "models/samples/looking_and_gripping/eve_walk"}) self.eve.reparentTo(render) #Put it in the scene #Now we use controlJoint to get a NodePath that's in control of her neck #This must be done before any animations are played self.eveNeck = self.eve.controlJoint(None, 'modelRoot', 'Neck') #We now play an animation. An animation must be played, or at least posed #for the nodepath we just got from controlJoint to actually effect the model self.eve.actorInterval("walk", playRate = 2).loop() #Now we add a task that will take care of turning the head taskMgr.add(self.turnHead, "turnHead") #Now we will expose the joint the hand joint. ExposeJoint allows us to #get the position of a joint while it is animating. This is different than #controlJonit which stops that joint from animating but lets us move it. #This is particularly usefull for putting an object (like a weapon) in an #actor's hand self.rightHand = self.eve.exposeJoint(None, 'modelRoot', 'RightHand') #This is a table with models, positions, rotations, and scales of objects to #be attached to our exposed joint. These are stock models and so they needed #to be repositioned to look right. positions = [("models/samples/looking_and_gripping/teapot", \ (0,-.66,-.95), (90,0,90), .4), ("models/samples/looking_and_gripping/candycane", \ (.15,-.99,-.22), (90,0,90), 1), ("models/samples/looking_and_gripping/banana", \ (.08,-.1,.09), (0,-90,0), 1.75), ("models/samples/looking_and_gripping/sword", \ (.11,.19,.06), (0,0,90), 1)] self.models = [] #A list that will store our models objects for row in positions: np = loader.loadModel(row[0]) #Load the model np.setPos(row[1][0], row[1][1], row[1][2]) #Position it np.setHpr(row[2][0], row[2][1], row[2][2]) #Rotate it np.setScale(row[3]) #Scale it #Reparent the model to the exposed joint. That way when the joint moves, #the model we just loaded will move with it. np.reparentTo(self.rightHand) self.models.append(np) #Add it to our models list self.setObject(0) #Make object 0 the first shown self.setupLights() #Put in some default lighting #This is what we use to change which object it being held. It just hides all of #the objects and then unhides the one that was selected def setObject(self, i): for np in self.models: np.hide() self.models[i].show() #This task gets the position of mouse each frame, and rotates the neck based #on it. def turnHead(self, task): #Check to make sure the mouse is readable if base.mouseWatcherNode.hasMouse(): #get the mouse position as a Vec2. The values for each axis are from -1 to #1. The top-left is (-1,-1), the bottom right is (1,1) mpos = base.mouseWatcherNode.getMouse() #Here we multiply the values to get the amount of degrees to turn #Restrain is used to make sure the values returned by getMouse are in the #valid range. If this particular model were to turn more than this, #significant tearing would be visable self.eveNeck.setP(restrain(mpos.getX()) * 50) self.eveNeck.setH(restrain(mpos.getY()) * 20) return Task.cont #Task continues infinitely def setupLights(self): #Sets up some default lighting lAttrib = LightAttrib.makeAllOff() ambientLight = AmbientLight( "ambientLight" ) ambientLight.setColor( Vec4(.4, .4, .35, 1) ) lAttrib = lAttrib.addLight( ambientLight ) directionalLight = DirectionalLight( "directionalLight" ) directionalLight.setDirection( Vec3( 0, 8, -2.5 ) ) directionalLight.setColor( Vec4( 0.9, 0.8, 0.9, 1 ) ) lAttrib = lAttrib.addLight( directionalLight ) render.attachNewNode( directionalLight ) render.attachNewNode( ambientLight ) render.node().setAttrib( lAttrib )
def __init__(self): base.disableMouse() camera.setPos(0, -50, 0) # Check video card capabilities. if (base.win.getGsg().getSupportsBasicShaders() == 0): addTitle("Toon Shader: Video driver reports that shaders are not supported.") return # Post the instructions. self.title = addTitle("Panda3D: Tutorial - Toon Shading with Normals-Based Inking") self.inst1 = addInstructions(0.95,"ESC: Quit") self.inst2 = addInstructions(0.90,"Up/Down: Increase/Decrease Line Thickness") self.inst3 = addInstructions(0.85,"Left/Right: Decrease/Increase Line Darkness") self.inst4 = addInstructions(0.80,"V: View the render-to-texture results") # This shader's job is to render the model with discrete lighting # levels. The lighting calculations built into the shader assume # a single nonattenuating point light. tempnode = NodePath(PandaNode("temp node")) tempnode.setShader(Shader.load(os.path.join(PANDA_SHADER_PATH, \ "samples/cartoon/cartoon_lighting.sha"))) base.cam.node().setInitialState(tempnode.getState()) # This is the object that represents the single "light", as far # the shader is concerned. It's not a real Panda3D LightNode, but # the shader doesn't care about that. light = render.attachNewNode("light") light.setPos(30,-50,0) # this call puts the light's nodepath into the render state. # this enables the shader to access this light by name. render.setShaderInput("light", light) # The "normals buffer" will contain a picture of the model colorized # so that the color of the model is a representation of the model's # normal at that point. normalsBuffer=base.win.makeTextureBuffer("normalsBuffer", 0, 0) normalsBuffer.setClearColor(Vec4(0.5,0.5,0.5,1)) self.normalsBuffer=normalsBuffer normalsCamera=base.makeCamera(normalsBuffer, lens=base.cam.node().getLens()) normalsCamera.node().setScene(render) tempnode = NodePath(PandaNode("temp node")) tempnode.setShader(Shader.load(os.path.join(PANDA_SHADER_PATH, \ "samples/cartoon/cartoon_normal.sha"))) normalsCamera.node().setInitialState(tempnode.getState()) #what we actually do to put edges on screen is apply them as a texture to #a transparent screen-fitted card drawnScene=normalsBuffer.getTextureCard() drawnScene.setTransparency(1) drawnScene.setColor(1,1,1,0) drawnScene.reparentTo(render2d) self.drawnScene = drawnScene # this shader accepts, as input, the picture from the normals buffer. # it compares each adjacent pixel, looking for discontinuities. # wherever a discontinuity exists, it emits black ink. self.separation = 0.001 self.cutoff = 0.3 inkGen=Shader.load(os.path.join(PANDA_SHADER_PATH, \ "samples/cartoon/cartoon_ink.sha")) drawnScene.setShader(inkGen) drawnScene.setShaderInput("separation", Vec4(self.separation,0,self.separation,0)); drawnScene.setShaderInput("cutoff", Vec4(self.cutoff,self.cutoff,self.cutoff,self.cutoff)); # Panda contains a built-in viewer that lets you view the results of # your render-to-texture operations. This code configures the viewer. self.accept("v", base.bufferViewer.toggleEnable) self.accept("V", base.bufferViewer.toggleEnable) base.bufferViewer.setPosition("llcorner") # Load a dragon model and animate it. self.character=Actor() self.character.loadModel('models/samples/cartoon/nik_dragon') self.character.reparentTo(render) self.character.loadAnims({'win': 'models/samples/cartoon/nik_dragon'}) self.character.loop('win') self.character.hprInterval(15, Point3(360, 0,0)).loop() # these allow you to change cartooning parameters in realtime self.accept("escape", sys.exit, [0]) self.accept("arrow_up", self.increaseSeparation) self.accept("arrow_down", self.decreaseSeparation) self.accept("arrow_left", self.increaseCutoff) self.accept("arrow_right", self.decreaseCutoff)
def __init__(self): base.disableMouse() base.setBackgroundColor(0,0,0) camera.setPos(0,-50,0) # Check video card capabilities. if (base.win.getGsg().getSupportsBasicShaders() == 0): addTitle("Glow Filter: Video driver reports that shaders are not supported.") return # Post the instructions self.title = addTitle("Panda3D: Tutorial - Glow Filter") self.inst1 = addInstructions(0.95,"ESC: Quit") self.inst2 = addInstructions(0.90,"Space: Toggle Glow Filter On/Off") self.inst3 = addInstructions(0.85,"Enter: Toggle Running/Spinning") self.inst4 = addInstructions(0.80,"V: View the render-to-texture results") #create the shader that will determime what parts of the scene will glow glowShader=Shader.load(os.path.join(PANDA_SHADER_PATH, \ "samples/glow/glow_shader.sha")) # load our model self.tron=Actor() self.tron.loadModel("models/samples/glow/tron") self.tron.loadAnims({"running":"models/samples/glow/tron_anim"}) self.tron.reparentTo(render) self.interval = self.tron.hprInterval(60,Point3(360,0,0)) self.interval.loop() self.isRunning=False #put some lighting on the tron model dlight = DirectionalLight('dlight') alight = AmbientLight('alight') dlnp = render.attachNewNode(dlight) alnp = render.attachNewNode(alight) dlight.setColor(Vec4(1.0, 0.7, 0.2, 1)) alight.setColor(Vec4(0.2, 0.2, 0.2, 1)) dlnp.setHpr(0, -60, 0) render.setLight(dlnp) render.setLight(alnp) # create the glow buffer. This buffer renders like a normal scene, # except that only the glowing materials should show up nonblack. glowBuffer=base.win.makeTextureBuffer("Glow scene", 512, 512) glowBuffer.setSort(-3) glowBuffer.setClearColor(Vec4(0,0,0,1)) # We have to attach a camera to the glow buffer. The glow camera # must have the same frustum as the main camera. As long as the aspect # ratios match, the rest will take care of itself. glowCamera=base.makeCamera(glowBuffer, lens=base.cam.node().getLens()) # Tell the glow camera to use the glow shader tempnode = NodePath(PandaNode("temp node")) tempnode.setShader(glowShader) glowCamera.node().setInitialState(tempnode.getState()) # set up the pipeline: from glow scene to blur x to blur y to main window. blurXBuffer=makeFilterBuffer(glowBuffer, "Blur X", -2, \ os.path.join(PANDA_SHADER_PATH, "samples/glow/glow_xblur.sha")) blurYBuffer=makeFilterBuffer(blurXBuffer, "Blur Y", -1, \ os.path.join(PANDA_SHADER_PATH, "samples/glow/glow_yblur.sha")) self.finalcard = blurYBuffer.getTextureCard() self.finalcard.reparentTo(render2d) self.finalcard.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd)) # Panda contains a built-in viewer that lets you view the results of # your render-to-texture operations. This code configures the viewer. self.accept("v", base.bufferViewer.toggleEnable) self.accept("V", base.bufferViewer.toggleEnable) base.bufferViewer.setPosition("llcorner") base.bufferViewer.setLayout("hline") base.bufferViewer.setCardSize(0.652,0) # event handling self.accept("space", self.toggleGlow) self.accept("enter", self.toggleDisplay) self.accept("escape", sys.exit, [0]) self.glowOn=True;
def __init__(self): base.disableMouse() base.setBackgroundColor(0, 0, 0) camera.setPos(0, -50, 0) # Check video card capabilities. if (base.win.getGsg().getSupportsBasicShaders() == 0): addTitle( "Glow Filter: Video driver reports that shaders are not supported." ) return # Use class 'CommonFilters' to enable a bloom filter. # The brightness of a pixel is measured using a weighted average # of R,G,B,A. We put all the weight on Alpha, meaning that for # us, the framebuffer's alpha channel alpha controls bloom. self.filters = CommonFilters(base.win, base.cam) filterok = self.filters.setBloom(blend=(0, 0, 0, 1), desat=-0.5, intensity=3.0, size="small") if (filterok == False): addTitle( "Toon Shader: Video card not powerful enough to do image postprocessing" ) return self.glowSize = 1 # Post the instructions self.title = addTitle("Panda3D: Tutorial - Glow Filter") self.inst1 = addInstructions(0.95, "ESC: Quit") self.inst2 = addInstructions( 0.90, "Space: Toggle Glow Filter Small/Med/Large/Off") self.inst3 = addInstructions(0.85, "Enter: Toggle Running/Spinning") self.inst4 = addInstructions(0.80, "V: View the render-to-texture results") # load our model self.tron = Actor() self.tron.loadModel("samples/glow/tron") self.tron.loadAnims({"running": "samples/glow/models/tron_anim"}) self.tron.reparentTo(render) self.interval = self.tron.hprInterval(60, Point3(360, 0, 0)) self.interval.loop() self.isRunning = False # put some lighting on the model dlight = DirectionalLight('dlight') alight = AmbientLight('alight') dlnp = render.attachNewNode(dlight) alnp = render.attachNewNode(alight) dlight.setColor(Vec4(1.0, 0.7, 0.2, 1)) alight.setColor(Vec4(0.2, 0.2, 0.2, 1)) dlnp.setHpr(0, -60, 0) render.setLight(dlnp) render.setLight(alnp) # Panda contains a built-in viewer that lets you view the results of # your render-to-texture operations. This code configures the viewer. self.accept("v", base.bufferViewer.toggleEnable) self.accept("V", base.bufferViewer.toggleEnable) base.bufferViewer.setPosition("llcorner") base.bufferViewer.setLayout("hline") #base.camLens.setFov(100) # event handling self.accept("space", self.toggleGlow) self.accept("enter", self.toggleDisplay) self.accept("escape", sys.exit, [0])
def __init__(self): self.keyMap = { "left": 0, "right": 0, "forward": 0, "cam-left": 0, "cam-right": 0 } base.win.setClearColor(Vec4(0, 0, 0, 1)) # Post the instructions self.title = addTitle( "Panda3D Tutorial: Roaming Ralph (Walking on Uneven Terrain)") self.inst1 = addInstructions(0.95, "[ESC]: Quit") self.inst2 = addInstructions(0.90, "[Left Arrow]: Rotate Ralph Left") self.inst3 = addInstructions(0.85, "[Right Arrow]: Rotate Ralph Right") self.inst4 = addInstructions(0.80, "[Up Arrow]: Run Ralph Forward") self.inst6 = addInstructions(0.70, "[A]: Rotate Camera Left") self.inst7 = addInstructions(0.65, "[S]: Rotate Camera Right") # Set up the environment # # This environment model contains collision meshes. If you look # in the egg file, you will see the following: # # <Collide> { Polyset keep descend } # # This tag causes the following mesh to be converted to a collision # mesh -- a mesh which is optimized for collision, not rendering. # It also keeps the original mesh, so there are now two copies --- # one optimized for rendering, one for collisions. self.environ = loader.loadModel("models/samples/roaming_ralph/world") self.environ.reparentTo(render) self.environ.setPos(0, 0, 0) # Create the main character, Ralph ralphStartPos = self.environ.find("**/start_point").getPos() self.ralph = Actor( "models/samples/roaming_ralph/ralph", { "run": "models/samples/roaming_ralph/ralph_run", "walk": "models/samples/roaming_ralph/ralph_walk" }) self.ralph.reparentTo(render) self.ralph.setScale(.2) self.ralph.setPos(ralphStartPos) # Create a floater object. We use the "floater" as a temporary # variable in a variety of calculations. self.floater = NodePath(PandaNode("floater")) self.floater.reparentTo(render) # Accept the control keys for movement and rotation self.accept("escape", sys.exit) self.accept("arrow_left", self.setKey, ["left", 1]) self.accept("arrow_right", self.setKey, ["right", 1]) self.accept("arrow_up", self.setKey, ["forward", 1]) self.accept("a", self.setKey, ["cam-left", 1]) self.accept("s", self.setKey, ["cam-right", 1]) self.accept("arrow_left-up", self.setKey, ["left", 0]) self.accept("arrow_right-up", self.setKey, ["right", 0]) self.accept("arrow_up-up", self.setKey, ["forward", 0]) self.accept("a-up", self.setKey, ["cam-left", 0]) self.accept("s-up", self.setKey, ["cam-right", 0]) taskMgr.add(self.move, "moveTask") # Game state variables self.isMoving = False # Set up the camera base.disableMouse() base.camera.setPos(self.ralph.getX(), self.ralph.getY() + 10, 2) # We will detect the height of the terrain by creating a collision # ray and casting it downward toward the terrain. One ray will # start above ralph's head, and the other will start above the camera. # A ray may hit the terrain, or it may hit a rock or a tree. If it # hits the terrain, we can detect the height. If it hits anything # else, we rule that the move is illegal. self.cTrav = CollisionTraverser() self.ralphGroundRay = CollisionRay() self.ralphGroundRay.setOrigin(0, 0, 1000) self.ralphGroundRay.setDirection(0, 0, -1) self.ralphGroundCol = CollisionNode('ralphRay') self.ralphGroundCol.addSolid(self.ralphGroundRay) self.ralphGroundCol.setFromCollideMask(BitMask32.bit(0)) self.ralphGroundCol.setIntoCollideMask(BitMask32.allOff()) self.ralphGroundColNp = self.ralph.attachNewNode(self.ralphGroundCol) self.ralphGroundHandler = CollisionHandlerQueue() self.cTrav.addCollider(self.ralphGroundColNp, self.ralphGroundHandler) self.camGroundRay = CollisionRay() self.camGroundRay.setOrigin(0, 0, 1000) self.camGroundRay.setDirection(0, 0, -1) self.camGroundCol = CollisionNode('camRay') self.camGroundCol.addSolid(self.camGroundRay) self.camGroundCol.setFromCollideMask(BitMask32.bit(0)) self.camGroundCol.setIntoCollideMask(BitMask32.allOff()) self.camGroundColNp = base.camera.attachNewNode(self.camGroundCol) self.camGroundHandler = CollisionHandlerQueue() self.cTrav.addCollider(self.camGroundColNp, self.camGroundHandler)
class World(DirectObject): def __init__(self): #This code puts the standard title and instruction text on screen self.title = OnscreenText( text="Panda3D: Tutorial - Joint Manipulation", style=1, fg=(1, 1, 1, 1), font=font, pos=(0.7, -0.95), scale=.07) self.onekeyText = genLabelText("ESC: Quit", 0) self.onekeyText = genLabelText("[1]: Teapot", 1) self.twokeyText = genLabelText("[2]: Candy cane", 2) self.threekeyText = genLabelText("[3]: Banana", 3) self.fourkeyText = genLabelText("[4]: Sword", 4) #setup key input self.accept('escape', sys.exit) self.accept('1', self.setObject, [0]) self.accept('2', self.setObject, [1]) self.accept('3', self.setObject, [2]) self.accept('4', self.setObject, [3]) base.disableMouse() #Disable mouse-based camera-control camera.setPos(0, -15, 2) #Position the camera self.eve = Actor( "models/samples/looking_and_gripping/eve", #Load our animated charachter {'walk': "models/samples/looking_and_gripping/eve_walk"}) self.eve.reparentTo(render) #Put it in the scene #Now we use controlJoint to get a NodePath that's in control of her neck #This must be done before any animations are played self.eveNeck = self.eve.controlJoint(None, 'modelRoot', 'Neck') #We now play an animation. An animation must be played, or at least posed #for the nodepath we just got from controlJoint to actually effect the model self.eve.actorInterval("walk", playRate=2).loop() #Now we add a task that will take care of turning the head taskMgr.add(self.turnHead, "turnHead") #Now we will expose the joint the hand joint. ExposeJoint allows us to #get the position of a joint while it is animating. This is different than #controlJonit which stops that joint from animating but lets us move it. #This is particularly usefull for putting an object (like a weapon) in an #actor's hand self.rightHand = self.eve.exposeJoint(None, 'modelRoot', 'RightHand') #This is a table with models, positions, rotations, and scales of objects to #be attached to our exposed joint. These are stock models and so they needed #to be repositioned to look right. positions = [("models/samples/looking_and_gripping/teapot", \ (0,-.66,-.95), (90,0,90), .4), ("models/samples/looking_and_gripping/candycane", \ (.15,-.99,-.22), (90,0,90), 1), ("models/samples/looking_and_gripping/banana", \ (.08,-.1,.09), (0,-90,0), 1.75), ("models/samples/looking_and_gripping/sword", \ (.11,.19,.06), (0,0,90), 1)] self.models = [] #A list that will store our models objects for row in positions: np = loader.loadModel(row[0]) #Load the model np.setPos(row[1][0], row[1][1], row[1][2]) #Position it np.setHpr(row[2][0], row[2][1], row[2][2]) #Rotate it np.setScale(row[3]) #Scale it #Reparent the model to the exposed joint. That way when the joint moves, #the model we just loaded will move with it. np.reparentTo(self.rightHand) self.models.append(np) #Add it to our models list self.setObject(0) #Make object 0 the first shown self.setupLights() #Put in some default lighting #This is what we use to change which object it being held. It just hides all of #the objects and then unhides the one that was selected def setObject(self, i): for np in self.models: np.hide() self.models[i].show() #This task gets the position of mouse each frame, and rotates the neck based #on it. def turnHead(self, task): #Check to make sure the mouse is readable if base.mouseWatcherNode.hasMouse(): #get the mouse position as a Vec2. The values for each axis are from -1 to #1. The top-left is (-1,-1), the bottom right is (1,1) mpos = base.mouseWatcherNode.getMouse() #Here we multiply the values to get the amount of degrees to turn #Restrain is used to make sure the values returned by getMouse are in the #valid range. If this particular model were to turn more than this, #significant tearing would be visable self.eveNeck.setP(restrain(mpos.getX()) * 50) self.eveNeck.setH(restrain(mpos.getY()) * 20) return Task.cont #Task continues infinitely def setupLights(self): #Sets up some default lighting lAttrib = LightAttrib.makeAllOff() ambientLight = AmbientLight("ambientLight") ambientLight.setColor(Vec4(.4, .4, .35, 1)) lAttrib = lAttrib.addLight(ambientLight) directionalLight = DirectionalLight("directionalLight") directionalLight.setDirection(Vec3(0, 8, -2.5)) directionalLight.setColor(Vec4(0.9, 0.8, 0.9, 1)) lAttrib = lAttrib.addLight(directionalLight) render.attachNewNode(directionalLight) render.attachNewNode(ambientLight) render.node().setAttrib(lAttrib)
def chooseEffectWhirlpool(self): base.setBackgroundColor(0,0,0,1) self.bcard.show() self.fcard.hide() self.bcard.setColor(1,1,1,1) self.bcard.setScale(0.999) self.bcard.setPos(0,0,0) self.bcard.setR(1) self.clickrate = 10000 self.nextclick = 0 t=MotionTrails() character=Actor() character.loadModel('models/samples/motion_trails/dancer') character.reparentTo(render) character.loadAnims({'win':'models/samples/motion_trails/dancer'}) character.loop('win') # character.hprInterval(15, Point3(360, 0,0)).loop() #put some lighting on the model dlight = DirectionalLight('dlight') alight = AmbientLight('alight') dlnp = render.attachNewNode(dlight) alnp = render.attachNewNode(alight) dlight.setColor(Vec4(1.0, 0.9, 0.8, 1)) alight.setColor(Vec4(0.2, 0.3, 0.4, 1)) dlnp.setHpr(0, -60, 0) render.setLight(dlnp)
def __init__(self): #This code puts the standard title and instruction text on screen self.title = OnscreenText( text="Panda3D: Tutorial - Joint Manipulation", style=1, fg=(1, 1, 1, 1), font=font, pos=(0.7, -0.95), scale=.07) self.onekeyText = genLabelText("ESC: Quit", 0) self.onekeyText = genLabelText("[1]: Teapot", 1) self.twokeyText = genLabelText("[2]: Candy cane", 2) self.threekeyText = genLabelText("[3]: Banana", 3) self.fourkeyText = genLabelText("[4]: Sword", 4) #setup key input self.accept('escape', sys.exit) self.accept('1', self.setObject, [0]) self.accept('2', self.setObject, [1]) self.accept('3', self.setObject, [2]) self.accept('4', self.setObject, [3]) base.disableMouse() #Disable mouse-based camera-control camera.setPos(0, -15, 2) #Position the camera self.eve = Actor( "models/samples/looking_and_gripping/eve", #Load our animated charachter {'walk': "models/samples/looking_and_gripping/eve_walk"}) self.eve.reparentTo(render) #Put it in the scene #Now we use controlJoint to get a NodePath that's in control of her neck #This must be done before any animations are played self.eveNeck = self.eve.controlJoint(None, 'modelRoot', 'Neck') #We now play an animation. An animation must be played, or at least posed #for the nodepath we just got from controlJoint to actually effect the model self.eve.actorInterval("walk", playRate=2).loop() #Now we add a task that will take care of turning the head taskMgr.add(self.turnHead, "turnHead") #Now we will expose the joint the hand joint. ExposeJoint allows us to #get the position of a joint while it is animating. This is different than #controlJonit which stops that joint from animating but lets us move it. #This is particularly usefull for putting an object (like a weapon) in an #actor's hand self.rightHand = self.eve.exposeJoint(None, 'modelRoot', 'RightHand') #This is a table with models, positions, rotations, and scales of objects to #be attached to our exposed joint. These are stock models and so they needed #to be repositioned to look right. positions = [("models/samples/looking_and_gripping/teapot", \ (0,-.66,-.95), (90,0,90), .4), ("models/samples/looking_and_gripping/candycane", \ (.15,-.99,-.22), (90,0,90), 1), ("models/samples/looking_and_gripping/banana", \ (.08,-.1,.09), (0,-90,0), 1.75), ("models/samples/looking_and_gripping/sword", \ (.11,.19,.06), (0,0,90), 1)] self.models = [] #A list that will store our models objects for row in positions: np = loader.loadModel(row[0]) #Load the model np.setPos(row[1][0], row[1][1], row[1][2]) #Position it np.setHpr(row[2][0], row[2][1], row[2][2]) #Rotate it np.setScale(row[3]) #Scale it #Reparent the model to the exposed joint. That way when the joint moves, #the model we just loaded will move with it. np.reparentTo(self.rightHand) self.models.append(np) #Add it to our models list self.setObject(0) #Make object 0 the first shown self.setupLights() #Put in some default lighting
def __init__(self): base.disableMouse() base.setBackgroundColor(0,0,0) camera.setPos(0,-50,0) # Check video card capabilities. if (base.win.getGsg().getSupportsBasicShaders() == 0): addTitle("Glow Filter: Video driver reports that shaders are not supported.") return # Use class 'CommonFilters' to enable a bloom filter. # The brightness of a pixel is measured using a weighted average # of R,G,B,A. We put all the weight on Alpha, meaning that for # us, the framebuffer's alpha channel alpha controls bloom. self.filters = CommonFilters(base.win, base.cam) filterok = self.filters.setBloom(blend=(0,0,0,1), desat=-0.5, intensity=3.0, size="small") if (filterok == False): addTitle("Toon Shader: Video card not powerful enough to do image postprocessing") return self.glowSize=1 # Post the instructions self.title = addTitle("Panda3D: Tutorial - Glow Filter") self.inst1 = addInstructions(0.95,"ESC: Quit") self.inst2 = addInstructions(0.90,"Space: Toggle Glow Filter Small/Med/Large/Off") self.inst3 = addInstructions(0.85,"Enter: Toggle Running/Spinning") self.inst4 = addInstructions(0.80,"V: View the render-to-texture results") # load our model self.tron=Actor() self.tron.loadModel("samples/glow/tron") self.tron.loadAnims({"running":"samples/glow/models/tron_anim"}) self.tron.reparentTo(render) self.interval = self.tron.hprInterval(60,Point3(360,0,0)) self.interval.loop() self.isRunning=False # put some lighting on the model dlight = DirectionalLight('dlight') alight = AmbientLight('alight') dlnp = render.attachNewNode(dlight) alnp = render.attachNewNode(alight) dlight.setColor(Vec4(1.0, 0.7, 0.2, 1)) alight.setColor(Vec4(0.2, 0.2, 0.2, 1)) dlnp.setHpr(0, -60, 0) render.setLight(dlnp) render.setLight(alnp) # Panda contains a built-in viewer that lets you view the results of # your render-to-texture operations. This code configures the viewer. self.accept("v", base.bufferViewer.toggleEnable) self.accept("V", base.bufferViewer.toggleEnable) base.bufferViewer.setPosition("llcorner") base.bufferViewer.setLayout("hline") #base.camLens.setFov(100) # event handling self.accept("space", self.toggleGlow) self.accept("enter", self.toggleDisplay) self.accept("escape", sys.exit, [0])
def __init__(self): base.disableMouse() base.cam.node().getLens().setNear(10.0) base.cam.node().getLens().setFar(200.0) camera.setPos(0, -50, 0) # Check video card capabilities. if (base.win.getGsg().getSupportsBasicShaders() == 0): addTitle( "Toon Shader: Video driver reports that shaders are not supported." ) return # Enable a 'light ramp' - this discretizes the lighting, # which is half of what makes a model look like a cartoon. # Light ramps only work if shader generation is enabled, # so we call 'setShaderAuto'. tempnode = NodePath(PandaNode("temp node")) tempnode.setAttrib(LightRampAttrib.makeSingleThreshold(0.5, 0.4)) tempnode.setShaderAuto() base.cam.node().setInitialState(tempnode.getState()) # Use class 'CommonFilters' to enable a cartoon inking filter. # This can fail if the video card is not powerful enough, if so, # display an error and exit. self.separation = 1 # Pixels self.filters = CommonFilters(base.win, base.cam) filterok = self.filters.setCartoonInk(separation=self.separation) if (filterok == False): addTitle( "Toon Shader: Video card not powerful enough to do image postprocessing" ) return # Post the instructions. self.title = addTitle( "Panda3D: Tutorial - Toon Shading with Normals-Based Inking") self.inst1 = addInstructions(0.95, "ESC: Quit") self.inst2 = addInstructions( 0.90, "Up/Down: Increase/Decrease Line Thickness") self.inst3 = addInstructions(0.85, "V: View the render-to-texture results") # Load a dragon model and animate it. self.character = Actor() self.character.loadModel('models/samples/cartoon/nik_dragon') self.character.reparentTo(render) self.character.loadAnims({'win': 'models/samples/cartoon/nik_dragon'}) self.character.loop('win') self.character.hprInterval(15, Point3(360, 0, 0)).loop() # Create a non-attenuating point light and an ambient light. plightnode = PointLight("point light") plightnode.setAttenuation(Vec3(1, 0, 0)) plight = render.attachNewNode(plightnode) plight.setPos(30, -50, 0) alightnode = AmbientLight("ambient light") alightnode.setColor(Vec4(0.8, 0.8, 0.8, 1)) alight = render.attachNewNode(alightnode) render.setLight(alight) render.setLight(plight) # Panda contains a built-in viewer that lets you view the # results of all render-to-texture operations. This lets you # see what class CommonFilters is doing behind the scenes. self.accept("v", base.bufferViewer.toggleEnable) self.accept("V", base.bufferViewer.toggleEnable) base.bufferViewer.setPosition("llcorner") self.accept("s", self.filters.manager.resizeBuffers) # These allow you to change cartooning parameters in realtime self.accept("escape", sys.exit, [0]) self.accept("arrow_up", self.increaseSeparation) self.accept("arrow_down", self.decreaseSeparation)
def chooseEffectWhirlpool(self): base.setBackgroundColor(0, 0, 0, 1) self.bcard.show() self.fcard.hide() self.bcard.setColor(1, 1, 1, 1) self.bcard.setScale(0.999) self.bcard.setPos(0, 0, 0) self.bcard.setR(1) self.clickrate = 10000 self.nextclick = 0 t = MotionTrails() character = Actor() character.loadModel('models/samples/motion_trails/dancer') character.reparentTo(render) character.loadAnims({'win': 'models/samples/motion_trails/dancer'}) character.loop('win') # character.hprInterval(15, Point3(360, 0,0)).loop() #put some lighting on the model dlight = DirectionalLight('dlight') alight = AmbientLight('alight') dlnp = render.attachNewNode(dlight) alnp = render.attachNewNode(alight) dlight.setColor(Vec4(1.0, 0.9, 0.8, 1)) alight.setColor(Vec4(0.2, 0.3, 0.4, 1)) dlnp.setHpr(0, -60, 0) render.setLight(dlnp)