def __init__(self):
# Load the default configuration.prc. This is recommended, as it
# contains some important panda options
loadPrcFile("../../Config/configuration.prc")
ShowBase.__init__(self)
# Create a new pipeline instance
self.renderPipeline = RenderingPipeline(self)
# Set the base path for the pipeline. This is required as we are in
# a subdirectory
self.renderPipeline.getMountManager().setBasePath("../../")
# Also set the write path
self.renderPipeline.getMountManager().setWritePath("../../Temp/")
# Load the default settings
self.renderPipeline.loadSettings("../../Config/pipeline.ini")
# Now create the pipeline
self.renderPipeline.create()
# Add a directional light
dPos = Vec3(40, 40, 15)
dirLight = DirectionalLight()
dirLight.setPos(dPos * 1000000.0)
dirLight.setShadowMapResolution(1024)
dirLight.setCastsShadows(True)
dirLight.setColor(Vec3(8))
self.renderPipeline.addLight(dirLight)
self.renderPipeline.setScatteringSource(dirLight)
self.dirLight = dirLight
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/world")
self.environ.reparentTo(render)
self.environ.setPos(0, 0, 0)
self.environ.find("**/wall").removeNode()
# Create the main character, Ralph
ralphStartPos = self.environ.find("**/start_point").getPos()
self.ralph = Actor("models/ralph",
{"run": "models/ralph-run",
"walk": "models/ralph-walk"})
self.ralph.reparentTo(render)
self.ralph.setScale(.2)
self.ralph.setPos(ralphStartPos)
self.renderPipeline.setEffect(self.ralph, "Effects/Default/Default.effect", {
"dynamic": True
})
# 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])
# NOTICE: It is important that your update tasks have a lower priority
# than -10000
taskMgr.add(self.move, "moveTask", priority=-20000)
self.accept("r", self.reloadShader)
# Game state variables
self.isMoving = False
# Set up the camera
base.disableMouse()
base.camera.setPos(self.ralph.getX(), self.ralph.getY() + 10, 1.2)
# 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)
# Create some ocean
self.water = ProjectedWaterGrid(self.renderPipeline)
self.water.setWaterLevel(-4.0)
# Create the skybox
self.skybox = self.renderPipeline.getDefaultSkybox()
self.skybox.reparentTo(render)
self.prepareSRGB(render)
self.reloadShader()
self.renderPipeline.onSceneInitialized()
# Add demo slider to move the sun position
if self.renderPipeline.settings.displayOnscreenDebugger:
self.renderPipeline.guiManager.demoSlider.node[
"command"] = self.setSunPos
self.renderPipeline.guiManager.demoSlider.node[
"value"] = 50
def __init__(self):
# Load the default configuration.prc. This is recommended, as it
# contains some important panda options
loadPrcFile("../../Config/configuration.prc")
ShowBase.__init__(self)
# Create a new pipeline instance
self.renderPipeline = RenderingPipeline(self)
# Set the base path for the pipeline. This is required as we are in
# a subdirectory
self.renderPipeline.getMountManager().setBasePath("../../")
# Also set the write path
self.renderPipeline.getMountManager().setWritePath("../../Temp/")
# Load the default settings
self.renderPipeline.loadSettings("../../Config/pipeline.ini")
# Now create the pipeline
self.renderPipeline.create()
# Add a directional light
dPos = Vec3(40, 40, 15)
dirLight = DirectionalLight()
dirLight.setPos(dPos * 1000000.0)
dirLight.setShadowMapResolution(1024)
dirLight.setCastsShadows(True)
dirLight.setColor(Vec3(8))
self.renderPipeline.addLight(dirLight)
self.renderPipeline.setScatteringSource(dirLight)
self.dirLight = dirLight
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/world")
self.environ.reparentTo(render)
self.environ.setPos(0, 0, 0)
self.environ.find("**/wall").removeNode()
# Create the main character, Ralph
ralphStartPos = self.environ.find("**/start_point").getPos()
self.ralph = Actor("models/ralph", {
"run": "models/ralph-run",
"walk": "models/ralph-walk"
})
self.ralph.reparentTo(render)
self.ralph.setScale(.2)
self.ralph.setPos(ralphStartPos)
self.renderPipeline.setEffect(self.ralph,
"Effects/Default/Default.effect",
{"dynamic": True})
# 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])
# NOTICE: It is important that your update tasks have a lower priority
# than -10000
taskMgr.add(self.move, "moveTask", priority=-20000)
self.accept("r", self.reloadShader)
# Game state variables
self.isMoving = False
# Set up the camera
base.disableMouse()
base.camera.setPos(self.ralph.getX(), self.ralph.getY() + 10, 1.2)
# 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)
# Create some ocean
self.water = ProjectedWaterGrid(self.renderPipeline)
self.water.setWaterLevel(-3.0)
# Create the skybox
self.skybox = self.renderPipeline.getDefaultSkybox()
self.skybox.reparentTo(render)
self.prepareSRGB(render)
self.reloadShader()
self.renderPipeline.onSceneInitialized()
# Add demo slider to move the sun position
if self.renderPipeline.settings.displayOnscreenDebugger:
self.renderPipeline.guiManager.demoSlider.node[
"command"] = self.setSunPos
self.renderPipeline.guiManager.demoSlider.node["value"] = 50
class World(ShowBase):
def __init__(self):
# Load the default configuration.prc. This is recommended, as it
# contains some important panda options
loadPrcFile("../../Config/configuration.prc")
ShowBase.__init__(self)
# Create a new pipeline instance
self.renderPipeline = RenderingPipeline(self)
# Set the base path for the pipeline. This is required as we are in
# a subdirectory
self.renderPipeline.getMountManager().setBasePath("../../")
# Also set the write path
self.renderPipeline.getMountManager().setWritePath("../../Temp/")
# Load the default settings
self.renderPipeline.loadSettings("../../Config/pipeline.ini")
# Now create the pipeline
self.renderPipeline.create()
# Add a directional light
dPos = Vec3(40, 40, 15)
dirLight = DirectionalLight()
dirLight.setPos(dPos * 1000000.0)
dirLight.setShadowMapResolution(1024)
dirLight.setCastsShadows(True)
dirLight.setColor(Vec3(8))
self.renderPipeline.addLight(dirLight)
self.renderPipeline.setScatteringSource(dirLight)
self.dirLight = dirLight
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/world")
self.environ.reparentTo(render)
self.environ.setPos(0, 0, 0)
self.environ.find("**/wall").removeNode()
# Create the main character, Ralph
ralphStartPos = self.environ.find("**/start_point").getPos()
self.ralph = Actor("models/ralph",
{"run": "models/ralph-run",
"walk": "models/ralph-walk"})
self.ralph.reparentTo(render)
self.ralph.setScale(.2)
self.ralph.setPos(ralphStartPos)
self.renderPipeline.setEffect(self.ralph, "Effects/Default/Default.effect", {
"dynamic": True
})
# 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])
# NOTICE: It is important that your update tasks have a lower priority
# than -10000
taskMgr.add(self.move, "moveTask", priority=-20000)
self.accept("r", self.reloadShader)
# Game state variables
self.isMoving = False
# Set up the camera
base.disableMouse()
base.camera.setPos(self.ralph.getX(), self.ralph.getY() + 10, 1.2)
# 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)
# Create some ocean
self.water = ProjectedWaterGrid(self.renderPipeline)
self.water.setWaterLevel(-4.0)
# Create the skybox
self.skybox = self.renderPipeline.getDefaultSkybox()
self.skybox.reparentTo(render)
self.prepareSRGB(render)
self.reloadShader()
self.renderPipeline.onSceneInitialized()
# Add demo slider to move the sun position
if self.renderPipeline.settings.displayOnscreenDebugger:
self.renderPipeline.guiManager.demoSlider.node[
"command"] = self.setSunPos
self.renderPipeline.guiManager.demoSlider.node[
"value"] = 50
def setSunPos(self):
rawValue = self.renderPipeline.guiManager.demoSlider.node["value"]
dPos = Vec3(100, 100, rawValue - 20)
self.dirLight.setPos(dPos * 100000000.0)
def reloadShader(self):
self.renderPipeline.reloadShaders()
# Records the state of the arrow keys
def setKey(self, key, value):
self.keyMap[key] = value
def prepareSRGB(self, np):
""" Sets the correct texture format for all textures found in <np> """
for tex in np.findAllTextures():
baseFormat = tex.getFormat()
if baseFormat == Texture.FRgb:
tex.setFormat(Texture.FSrgb)
elif baseFormat == Texture.FRgba:
tex.setFormat(Texture.FSrgbAlpha)
else:
print "Unkown texture format:", baseFormat
print "\tTexture:", tex
# tex.setMinfilter(Texture.FTLinearMipmapLinear)
# tex.setMagfilter(Texture.FTLinear)
tex.setAnisotropicDegree(16)
# Accepts arrow keys to move either the player or the menu cursor,
# Also deals with grid checking and collision detection
def move(self, task):
# 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, -20 * globalClock.getDt())
if (self.keyMap["cam-right"] != 0):
base.camera.setX(base.camera, +20 * globalClock.getDt())
# 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() + 300 * globalClock.getDt())
if (self.keyMap["right"] != 0):
self.ralph.setH(self.ralph.getH() - 300 * globalClock.getDt())
if (self.keyMap["forward"] != 0):
self.ralph.setY(self.ralph, -25 * globalClock.getDt())
# 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 > 7.0):
base.camera.setPos(base.camera.getPos() + camvec * (camdist - 7))
camdist = 7.0
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() + 2.5):
base.camera.setZ(self.ralph.getZ() + 2.5)
# 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
class World(ShowBase):
def __init__(self):
# Load the default configuration.prc. This is recommended, as it
# contains some important panda options
loadPrcFile("../../Config/configuration.prc")
ShowBase.__init__(self)
# Create a new pipeline instance
self.renderPipeline = RenderingPipeline(self)
# Set the base path for the pipeline. This is required as we are in
# a subdirectory
self.renderPipeline.getMountManager().setBasePath("../../")
# Also set the write path
self.renderPipeline.getMountManager().setWritePath("../../Temp/")
# Load the default settings
self.renderPipeline.loadSettings("../../Config/pipeline.ini")
# Now create the pipeline
self.renderPipeline.create()
# Add a directional light
dPos = Vec3(40, 40, 15)
dirLight = DirectionalLight()
dirLight.setPos(dPos * 1000000.0)
dirLight.setShadowMapResolution(1024)
dirLight.setCastsShadows(True)
dirLight.setColor(Vec3(8))
self.renderPipeline.addLight(dirLight)
self.renderPipeline.setScatteringSource(dirLight)
self.dirLight = dirLight
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/world")
self.environ.reparentTo(render)
self.environ.setPos(0, 0, 0)
self.environ.find("**/wall").removeNode()
# Create the main character, Ralph
ralphStartPos = self.environ.find("**/start_point").getPos()
self.ralph = Actor("models/ralph", {
"run": "models/ralph-run",
"walk": "models/ralph-walk"
})
self.ralph.reparentTo(render)
self.ralph.setScale(.2)
self.ralph.setPos(ralphStartPos)
self.renderPipeline.setEffect(self.ralph,
"Effects/Default/Default.effect",
{"dynamic": True})
# 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])
# NOTICE: It is important that your update tasks have a lower priority
# than -10000
taskMgr.add(self.move, "moveTask", priority=-20000)
self.accept("r", self.reloadShader)
# Game state variables
self.isMoving = False
# Set up the camera
base.disableMouse()
base.camera.setPos(self.ralph.getX(), self.ralph.getY() + 10, 1.2)
# 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)
# Create some ocean
self.water = ProjectedWaterGrid(self.renderPipeline)
self.water.setWaterLevel(-3.0)
# Create the skybox
self.skybox = self.renderPipeline.getDefaultSkybox()
self.skybox.reparentTo(render)
self.prepareSRGB(render)
self.reloadShader()
self.renderPipeline.onSceneInitialized()
# Add demo slider to move the sun position
if self.renderPipeline.settings.displayOnscreenDebugger:
self.renderPipeline.guiManager.demoSlider.node[
"command"] = self.setSunPos
self.renderPipeline.guiManager.demoSlider.node["value"] = 50
def setSunPos(self):
rawValue = self.renderPipeline.guiManager.demoSlider.node["value"]
dPos = Vec3(100, 100, rawValue - 20)
self.dirLight.setPos(dPos * 100000000.0)
def reloadShader(self):
self.renderPipeline.reloadShaders()
# Records the state of the arrow keys
def setKey(self, key, value):
self.keyMap[key] = value
def prepareSRGB(self, np):
""" Sets the correct texture format for all textures found in <np> """
for tex in np.findAllTextures():
baseFormat = tex.getFormat()
if baseFormat == Texture.FRgb:
tex.setFormat(Texture.FSrgb)
elif baseFormat == Texture.FRgba:
tex.setFormat(Texture.FSrgbAlpha)
else:
print "Unkown texture format:", baseFormat
print "\tTexture:", tex
# tex.setMinfilter(Texture.FTLinearMipmapLinear)
# tex.setMagfilter(Texture.FTLinear)
tex.setAnisotropicDegree(16)
# Accepts arrow keys to move either the player or the menu cursor,
# Also deals with grid checking and collision detection
def move(self, task):
# 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, -20 * globalClock.getDt())
if (self.keyMap["cam-right"] != 0):
base.camera.setX(base.camera, +20 * globalClock.getDt())
# 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() + 300 * globalClock.getDt())
if (self.keyMap["right"] != 0):
self.ralph.setH(self.ralph.getH() - 300 * globalClock.getDt())
if (self.keyMap["forward"] != 0):
self.ralph.setY(self.ralph, -25 * globalClock.getDt())
# 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 > 7.0):
base.camera.setPos(base.camera.getPos() + camvec * (camdist - 7))
camdist = 7.0
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() + 2.5):
base.camera.setZ(self.ralph.getZ() + 2.5)
# 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