def set_up(self):
self.display_region = base.camNode.get_display_region(0)
win = self.display_region.get_window()
self.perspective_lens = PerspectiveLens()
self.perspective_lens = base.camLens # use panda3d's default for automatic aspect ratio on window resize
self.lens = self.perspective_lens
self.perspective_lens.set_aspect_ratio(window.aspect_ratio)
self.perspective_lens_node = LensNode('perspective_lens_node',
self.perspective_lens)
self.lens_node = self.perspective_lens_node
self.orthographic_lens = OrthographicLens()
self.orthographic_lens.set_film_size(self.fov * window.aspect_ratio,
self.fov)
self.orthographic_lens_node = LensNode('orthographic_lens_node',
self.orthographic_lens)
application.base.cam.node().set_lens(self.lens)
self.orthographic = False
self.fov = 40 # horizontal fov
# self.fov = 22.5
self.clip_plane_near = 0.1
self.clip_plane_far = 10000
self.ui_display_region = win.make_display_region()
self.ui_display_region.set_sort(20)
self.ui_camera = NodePath(PandaCamera('ui_camera'))
self.ui_lens = OrthographicLens()
# moved set_film_size() to window module for correct aspect ratio after setting window size
self.ui_lens.set_near_far(-1000, 1000)
self.ui_camera.node().set_lens(self.ui_lens)
self._ui_lens_node = LensNode('_ui_lens_node', self.ui_lens)
self.ui_render = NodePath('ui_render')
self.ui_render.set_depth_test(0)
self.ui_render.set_depth_write(0)
self.ui_camera.reparent_to(self.ui_render)
self.ui_display_region.set_camera(self.ui_camera)
scene.ui_camera = self.ui_camera
self.ui = Entity(eternal=True,
name='ui',
parent=self.ui_camera,
scale=(self.ui_size * .5, self.ui_size * .5))
self.overlay = Entity(parent=self.ui,
model='quad',
scale=99,
color=color.clear,
eternal=True,
z=-99)
# these get created when setting a shader
self.filter_manager = None
self.filter_quad = None
self.render_texture = None
self.filter_quad = None
self.depth_texture = None
def set_lens(self, lens_type="OrthographicLens"):
"""
Permite cambiar la lente de la camara
:param lens_type: El tipo de lente a utilizar: OrthographicLens/PerspectiveLens
:return: None
"""
self.lens_type = lens_type
width = self.panda3d.win.getXSize()
height = self.panda3d.win.getYSize()
if lens_type is "OrthographicLens":
lens = OrthographicLens()
lens.setFilmSize(width, height )
if lens_type is "PerspectiveLens":
lens = PerspectiveLens()
lens.setFilmSize(width , height )
else:
# Default value
lens = OrthographicLens()
lens.setFilmSize(width / 100, height / 100)
print("new lens {}: {} {}".format(lens_type, width / 100, height / 100))
print(lens)
self.panda3d.cam.node().setLens(lens)
shader_control = self.panda3d.shader_control
if shader_control is not None:
shader_control.update_camera_lens(lens)
def set_up(self, use_filters=True):
self.display_region = base.camNode.get_display_region(0)
win = self.display_region.get_window()
self.perspective_lens = PerspectiveLens()
self.lens = self.perspective_lens
self.perspective_lens.set_aspect_ratio(window.aspect_ratio)
self.perspective_lens.set_focal_length(50)
self.perspective_lens_node = LensNode('perspective_lens_node',
self.perspective_lens)
self.lens_node = self.perspective_lens_node
self.orthographic_lens = OrthographicLens()
self.orthographic_lens.set_film_size(self.fov * window.aspect_ratio,
self.fov)
self.orthographic_lens_node = LensNode('orthographic_lens_node',
self.orthographic_lens)
application.base.cam.node().set_lens(self.lens)
self.orthographic = False
self.fov = 40
self.clip_plane_near = 0.0001
self.clip_plane_far = 70000000
self.ui_display_region = win.make_display_region()
self.ui_display_region.set_sort(20)
self.ui_camera = NodePath(PandaCamera('ui_camera'))
self.ui_lens = OrthographicLens()
self.ui_lens.set_film_size(self.ui_size * .5 * self.aspect_ratio,
self.ui_size * .5)
self.ui_lens.set_near_far(-1000, 70000)
self.ui_camera.node().set_lens(self.ui_lens)
self._ui_lens_node = LensNode('_ui_lens_node', self.ui_lens)
self.ui_render = NodePath('ui_render')
self.ui_render.set_depth_test(0)
self.ui_render.set_depth_write(0)
self.ui_camera.reparent_to(self.ui_render)
self.ui_display_region.set_camera(self.ui_camera)
scene.ui_camera = self.ui_camera
# ui_camera.hide()
# self.black_bars_display_region = win.make_display_region()
# self.black_bars_display_region.set_sort(-100)
self.ui = Entity(eternal=True,
name='ui',
parent=self.ui_camera,
scale=(self.ui_size * .5, self.ui_size * .5))
scene.ui = self.ui
if (use_filters):
self.filter_manager = FilterManager(base.win, base.cam)
self.render_texture = PandaTexture()
self.filter_quad = None
def set_up(self):
self.display_region = base.camNode.get_display_region(0)
win = self.display_region.get_window()
self.perspective_lens = PerspectiveLens()
self.lens = self.perspective_lens
self.perspective_lens.set_aspect_ratio(window.aspect_ratio)
self.perspective_lens.set_focal_length(50)
self.perspective_lens_node = LensNode('perspective_lens_node',
self.perspective_lens)
self.lens_node = self.perspective_lens_node
self.orthographic_lens = OrthographicLens()
self.orthographic_lens.set_film_size(self.fov * window.aspect_ratio,
self.fov)
self.orthographic_lens_node = LensNode('orthographic_lens_node',
self.orthographic_lens)
application.base.cam.node().set_lens(self.lens)
self.orthographic = False
self.fov = 40
self.clip_plane_near = 0.0001
self.clip_plane_far = 10000
self.ui_display_region = win.make_display_region()
self.ui_display_region.set_sort(20)
self.ui_camera = NodePath(PandaCamera('ui_camera'))
self.ui_lens = OrthographicLens()
self.ui_lens.set_film_size(self.ui_size * .5 * self.aspect_ratio,
self.ui_size * .5)
self.ui_lens.set_near_far(-1000, 1000)
self.ui_camera.node().set_lens(self.ui_lens)
self._ui_lens_node = LensNode('_ui_lens_node', self.ui_lens)
self.ui_render = NodePath('ui_render')
self.ui_render.set_depth_test(0)
self.ui_render.set_depth_write(0)
self.ui_camera.reparent_to(self.ui_render)
self.ui_display_region.set_camera(self.ui_camera)
scene.ui_camera = self.ui_camera
# ui_camera.hide()
# self.black_bars_display_region = win.make_display_region()
# self.black_bars_display_region.set_sort(-100)
self.ui = Entity()
self.ui.eternal = True
self.ui.name = 'ui'
self.ui.parent = self.ui_camera
self.ui.scale = (self.ui_size * .5, self.ui_size * .5)
# self.ui.model = 'quad'
scene.ui = self.ui
def __init__(self):
super().__init__()
x = float(base.win.get_x_size())
y = float(base.win.get_y_size())
y_aspect = y / x
inventory_base_width = INVENTORY_VERTICAL_FRACTION * y_aspect
inventory_half_width = inventory_base_width * INVENTORY_HORIZONTAL_FACTOR * 0.5
self.region = base.win.make_display_region(
0.5 - inventory_half_width, # left
0.5 + inventory_half_width, # right
0.0, # bottom
INVENTORY_VERTICAL_FRACTION, # top
)
self.region.set_sort(INVENTORY_DISPLAY_REGION_SORT)
self.cam_node = p3d.Camera('inventory_cam')
lens = OrthographicLens()
lens.set_film_size(INVENTORY_HORIZONTAL_FACTOR, 1)
self.cam_node.set_lens(lens)
self.cam_np = NodePath(self.cam_node)
self.region.set_camera(self.cam_np)
self.inventory = NodePath('inventory')
self.cam_np.reparentTo(self.inventory)
background_maker = CardMaker('inventory')
background_maker.set_frame(-INVENTORY_HORIZONTAL_FACTOR / 2.0, INVENTORY_HORIZONTAL_FACTOR / 2.0, 0, 1)
background = p3d.NodePath(background_maker.generate())
background.reparent_to(self.inventory)
background.set_pos(0, 5, -0.5)
def __init__(self):
base.disableMouse()
lens = OrthographicLens()
lens.setFilmSize(34.2007, 25.6505)
lens.setNear(-10)
lens.setFar(100)
base.cam.node().setLens(lens)
self.container = render.attachNewNode('camContainer')
base.camera.reparentTo(self.container)
base.camera.setPos(-40, 0, 23)
base.camera.lookAt(0, 0, 3)
self.container.setHpr(45, 0, 0)
self.zoomed = True
self.r = False
# Load sounds
self.toggle_r_snd = base.loader.loadSfx(GAME +
'/sounds/camera_toggle_r.ogg')
self.rotate_snd = base.loader.loadSfx(GAME +
'/sounds/camera_rotate.ogg')
self.acceptAll()
self.windowEvent(base.win)
def create(self):
self.camera = Camera("SkyAOCaptureCam")
self.cam_lens = OrthographicLens()
self.cam_lens.set_film_size(200, 200)
self.cam_lens.set_near_far(0.0, 500.0)
self.camera.set_lens(self.cam_lens)
self.cam_node = Globals.base.render.attach_new_node(self.camera)
self.cam_node.look_at(0, 0, -1)
self.cam_node.set_r(0)
self.target = self.create_target("SkyAOCapture")
self.target.size = 1024
self.target.add_depth_attachment(bits=16)
self.target.prepare_render(self.cam_node)
self.target_convert = self.create_target("ConvertDepth")
self.target_convert.size = 1024
self.target_convert.add_color_attachment(bits=(16, 0, 0, 0))
self.target_convert.prepare_buffer()
self.target_convert.set_shader_input("DepthTex", self.target.depth_tex)
self.target_convert.set_shader_input("position", self.pta_position)
# Register camera
self._pipeline.tag_mgr.register_camera("shadow", self.camera)
def __init__(self):
super().__init__()
self.set_background_color(0.1, 0.1, 0.1, 1)
square1 = create_colored_rect(0, 0, 200, 200)
square2 = create_colored_rect(350, 100, 200, 200, (0, 0, 1, 1))
square3 = create_colored_rect(-640, -360, 200, 200, (0, 1, 0, 1))
gnode = GeomNode('square')
gnode.addGeom(square1)
gnode.addGeom(square2)
gnode.addGeom(square3)
self.render.attachNewNode(gnode)
gnode2 = GeomNode('square2')
textured_rect = create_textured_rect(-320, 0, 200, 280)
gnode2.addGeom(textured_rect)
texture = self.loader.loadTexture("assets/images/PlayerShip.png")
ship = self.render.attachNewNode(gnode2)
ship.setTransparency(TransparencyAttrib.MAlpha)
ship.setTexture(texture)
lens = OrthographicLens()
lens.setFilmSize(1280, 720)
lens.setNearFar(-50, 50)
self.cam.setPos(0, 0, 0)
self.cam.node().setLens(lens)
def enable(self):
camNode = Camera('shadowCam')
camNode.setCameraMask(CIGlobals.ShadowCameraBitmask)
self.shadowLens = OrthographicLens()
self.shadowLens.setFilmSize(60 * 4, 60 * 4)
camNode.setLens(self.shadowLens)
self.shadowCamArm = camera.attachNewNode('shadowCamArm')
self.shadowCam = self.shadowCamArm.attachNewNode(camNode)
self.shadowCamArm.setPos(0, 40, 0)
self.shadowCam.setPos(0, -40, 0)
self.shadowTex = Texture('shadow')
self.shadowTex.setBorderColor(self.clearColor)
self.shadowTex.setWrapU(Texture.WMBorderColor)
self.shadowTex.setWrapV(Texture.WMBorderColor)
self.casterState = NodePath('temp')
self.casterState.setColorScaleOff(10)
self.casterState.setColor(self.shadowColor, self.shadowColor,
self.shadowColor, 1, 10)
self.casterState.setTextureOff(10)
self.casterState.setLightOff(10)
self.casterState.setFogOff(10)
camNode.setInitialState(self.casterState.getState())
render.hide(CIGlobals.ShadowCameraBitmask)
self.shadowStage = TextureStage('shadow')
self.shadowStage.setSort(1000)
self.turnOnShadows()
def __init__(self):
super().__init__()
self.set_background_color(0.1, 0.1, 0.1, 1)
self.jack = self.loader.loadModel("assets/Jack/Jack")
self.jack.setScale(0.3)
self.jack.reparentTo(self.render)
self.jack.find('**/+SequenceNode').node().loop(True, 10, 19)
# self.jack.find('**/+SequenceNode').node().loop(True, 0, 9)
lens = OrthographicLens()
lens.setFilmSize(1280, 720)
lens.setNearFar(-50, 50)
self.cam.node().setLens(lens)
self.accept("arrow_left", update_key_map, ["left", True, self.jack, True])
self.accept("arrow_left-up", update_key_map, ["left", False, self.jack, False])
self.accept("arrow_right", update_key_map, ["right", True, self.jack, True])
self.accept("arrow_right-up", update_key_map, ["right", False, self.jack, False])
self.taskMgr.add(self.move_jack, "move-jack")
self.x = 0
self.speed = 200
def create(self):
# Create voxelize camera
self.voxelizeCamera = Camera("VoxelizeCamera")
self.voxelizeCamera.setCameraMask(BitMask32.bit(4))
self.voxelizeCameraNode = Globals.render.attachNewNode(
self.voxelizeCamera)
self.voxelizeLens = OrthographicLens()
self.voxelizeLens.setFilmSize(self.voxelGridSize * 2,
self.voxelGridSize * 2)
self.voxelizeLens.setNearFar(0.0, self.voxelGridSize * 2)
self.voxelizeCamera.setLens(self.voxelizeLens)
self.voxelizeCamera.setTagStateKey("VoxelizePassShader")
Globals.render.setTag("VoxelizePassShader", "Default")
# Create voxelize tareet
self.target = RenderTarget("VoxelizePass")
self.target.setSize(self.voxelGridResolution *
self.gridResolutionMultiplier)
if self.pipeline.settings.useDebugAttachments:
self.target.addColorTexture()
else:
self.target.setColorWrite(False)
self.target.setCreateOverlayQuad(False)
self.target.setSource(self.voxelizeCameraNode, Globals.base.win)
self.target.prepareSceneRender()
self.target.setActive(False)
def setupCamera(self, _pos, _rot, _filmsize):
# Setup lens, position and rotation
lens = OrthographicLens()
lens.setFilmSize(_filmsize[0], _filmsize[1])
#base.cam.node().setLens(lens)
base.cam.setPos(_pos)
base.cam.setHpr(_rot)
def __init__(self, app):
self.app = app
self.do = DirectObject()
self.running = False
self.displayRegion = None
self.root = NodePath('creditsRender')
self.camera = Camera('creditsCam')
self.cameraNP = NodePath(self.camera)
# Set parameters to match those of render2d
self.root.setDepthTest(0)
self.root.setDepthWrite(0)
self.root.setMaterialOff(1)
self.root.setTwoSided(1)
self.aspect2d = self.root # self.root.attachNewNode('creditsAspect')
lens = OrthographicLens()
lens.setFilmSize(2, 2)
lens.setFilmOffset(0, 0)
lens.setNearFar(-1000, 1000)
self.camera.setLens(lens)
self.cameraNP.reparentTo(self.root)
self.scrollTask = None
self.lastTime = None
self.creditsFileLoaded = False
def setupCamera2d(self,
sort=10,
displayRegion=(0, 1, 0, 1),
coords=(-1, 1, -1, 1)):
dr = self.win.makeMonoDisplayRegion(*displayRegion)
dr.setSort(10)
# Enable clearing of the depth buffer on this new display
# region (see the comment in setupRender2d, above).
dr.setClearDepthActive(1)
# Make any texture reloads on the gui come up immediately.
dr.setIncompleteRender(False)
left, right, bottom, top = coords
# Now make a new Camera node.
cam2dNode = Camera('cam2d')
lens = OrthographicLens()
lens.setFilmSize(right - left, top - bottom)
lens.setFilmOffset((right + left) * 0.5, (top + bottom) * 0.5)
lens.setNearFar(-1000, 1000)
cam2dNode.setLens(lens)
# self.camera2d is the analog of self.camera, although it's
# not as clear how useful it is.
self.camera2d = self.render2d.attachNewNode('camera2d')
camera2d = self.camera2d.attachNewNode(cam2dNode)
dr.setCamera(camera2d)
self.cam2d = camera2d
return camera2d
def makeLens(self):
lens = OrthographicLens()
lens.setNearFar(-100000, 100000)
lens.setViewHpr(self.getViewHpr())
lens.setFilmSize(100, 100)
return lens
def create(self):
winprops = WindowProperties.size(self.size, self.size)
props = FrameBufferProperties()
props.setRgbColor(0)
props.setAlphaBits(0)
props.setDepthBits(1)
self.buffer = base.graphicsEngine.makeOutput(
base.pipe, "shadowsBuffer", -2, props, winprops,
GraphicsPipe.BFRefuseWindow, base.win.getGsg(), base.win)
if not self.buffer:
print("Video driver cannot create an offscreen buffer.")
return
self.depthmap = Texture()
self.buffer.addRenderTexture(self.depthmap,
GraphicsOutput.RTMBindOrCopy,
GraphicsOutput.RTPDepthStencil)
self.depthmap.setMinfilter(Texture.FTShadow)
self.depthmap.setMagfilter(Texture.FTShadow)
self.depthmap.setBorderColor(LColor(1, 1, 1, 1))
self.depthmap.setWrapU(Texture.WMBorderColor)
self.depthmap.setWrapV(Texture.WMBorderColor)
self.cam = base.makeCamera(self.buffer, lens=OrthographicLens())
self.cam.reparent_to(render)
self.node = self.cam.node()
self.node.setInitialState(
RenderState.make(
CullFaceAttrib.make_reverse(),
ColorWriteAttrib.make(ColorWriteAttrib.M_none),
))
self.node.setScene(render)
if settings.debug_shadow_frustum:
self.node.showFrustum()
def __init__(self):
DirectObject.__init__(self)
self.base = ShowBase()
resolution = (1024, 768)
wp = WindowProperties()
wp.setSize(int(resolution[0]), int(resolution[1]))
wp.setOrigin(0, 0)
self.base.win.requestProperties(wp)
# depth completely doesn't matter for this, since just 2d, and no layers
self.depth = 0
self.base.setBackgroundColor(115 / 255, 115 / 255, 115 / 255)
# set up a 2d camera
camera = self.base.camList[0]
lens = OrthographicLens()
lens.setFilmSize(int(resolution[0]), int(resolution[1]))
lens.setNearFar(-100, 100)
camera.node().setLens(lens)
camera.reparentTo(self.base.render)
self.accept("escape", sys.exit)
# spread out some positions
self.positions = [(-200, 0, -200),
(0, 0, -200),
(200, 0, -200),
(-200, 0, 0),
(0, 0, 0),
(200, 0, 0),
(-200, 0, 200),
(0, 0, 200),
(200, 0, 200)]
self.all_smiles()
def makeBufferRelCent(np, size=256):
#we get a handle to the default window
mainWindow = base.win
#we now get buffer thats going to hold the texture of our new scene
altBuffer = mainWindow.makeTextureBuffer("hello", size, size)
altBuffer.setClearColor(Vec4(0.5, 0.5, 0.5, 0))
#now we have to setup a new scene graph to make this scene
altRender = NodePath("new render")
#this takes care of setting up ther camera properly
altCam = base.makeCamera(altBuffer)
altCam.reparentTo(altRender)
#get the teapot and rotates it for a simple animation
teapot = NodePath("dummy")
np.instanceTo(teapot)
pos, rel, cent = makePosRelCent(teapot)
lens = OrthographicLens()
lens.setFilmSize(*rel)
altCam.setPos(pos)
altCam.node().setLens(lens)
teapot.reparentTo(altRender)
altBuffer.setOneShot(True)
return altBuffer, rel, cent
def makeOrthographic(parent, name, campos):
v = Viewport(name, parent)
v.lens = OrthographicLens()
v.lens.setFilmSize(30)
v.camPos = campos
v.camLookAt = Point3(0, 0, 0)
v.grid = DirectGrid(parent=render)
if name == 'left':
v.grid.setHpr(0, 0, 90)
collPlane = CollisionNode('LeftGridCol')
collPlane.addSolid(CollisionPlane(Plane(1, 0, 0, 0)))
collPlane.setIntoCollideMask(BitMask32.bit(21))
v.collPlane = NodePath(collPlane)
v.collPlane.wrtReparentTo(v.grid)
#v.grid.gridBack.findAllMatches("**/+GeomNode")[0].setName("_leftViewGridBack")
LE_showInOneCam(v.grid, name)
elif name == 'front':
v.grid.setHpr(90, 0, 90)
collPlane = CollisionNode('FrontGridCol')
collPlane.addSolid(CollisionPlane(Plane(0, -1, 0, 0)))
collPlane.setIntoCollideMask(BitMask32.bit(21))
v.collPlane = NodePath(collPlane)
v.collPlane.wrtReparentTo(v.grid)
#v.grid.gridBack.findAllMatches("**/+GeomNode")[0].setName("_frontViewGridBack")
LE_showInOneCam(v.grid, name)
else:
collPlane = CollisionNode('TopGridCol')
collPlane.addSolid(CollisionPlane(Plane(0, 0, 1, 0)))
collPlane.setIntoCollideMask(BitMask32.bit(21))
v.collPlane = NodePath(collPlane)
v.collPlane.reparentTo(v.grid)
#v.grid.gridBack.findAllMatches("**/+GeomNode")[0].setName("_topViewGridBack")
LE_showInOneCam(v.grid, name)
return v
def create(self):
self.camera = Camera("PSSMDistShadowsESM")
self.cam_lens = OrthographicLens()
self.cam_lens.set_film_size(12000, 12000)
self.cam_lens.set_near_far(10.0, self.sun_distance * 2)
self.camera.set_lens(self.cam_lens)
self.cam_node = Globals.base.render.attach_new_node(self.camera)
self.target = self.create_target("ShadowMap")
self.target.size = self.resolution
self.target.add_depth_attachment(bits=32)
self.target.prepare_render(self.cam_node)
self.target_convert = self.create_target("ConvertToESM")
self.target_convert.size = self.resolution
self.target_convert.add_color_attachment(bits=(32, 0, 0, 0))
self.target_convert.prepare_buffer()
self.target_convert.set_shader_input("SourceTex", self.target.depth_tex)
self.target_blur_v = self.create_target("BlurVert")
self.target_blur_v.size = self.resolution
self.target_blur_v.add_color_attachment(bits=(32, 0, 0, 0))
self.target_blur_v.prepare_buffer()
self.target_blur_v.set_shader_input("SourceTex", self.target_convert.color_tex)
self.target_blur_v.set_shader_input("direction", LVecBase2i(1, 0))
self.target_blur_h = self.create_target("BlurHoriz")
self.target_blur_h.size = self.resolution
self.target_blur_h.add_color_attachment(bits=(32, 0, 0, 0))
self.target_blur_h.prepare_buffer()
self.target_blur_h.set_shader_input("SourceTex", self.target_blur_v.color_tex)
self.target_blur_h.set_shader_input("direction", LVecBase2i(0, 1))
# Register shadow camera
self._pipeline.tag_mgr.register_camera("shadow", self.camera)
def renderQuadInto(self, mul=1, div=1, align=1, depthtex=None, colortex=None, auxtex0=None, auxtex1=None):
texgroup = (
depthtex, colortex, auxtex0, auxtex1)
winx, winy = self.getScaledSize(mul, div, align)
depthbits = bool(depthtex != None)
buffer = self.createBuffer('filter-stage', winx, winy, texgroup, depthbits)
if buffer == None:
return
cm = CardMaker('filter-stage-quad')
cm.setFrameFullscreenQuad()
quad = NodePath(cm.generate())
quad.setDepthTest(0)
quad.setDepthWrite(0)
quad.setColor(1, 0.5, 0.5, 1)
quadcamnode = Camera('filter-quad-cam')
lens = OrthographicLens()
lens.setFilmSize(2, 2)
lens.setFilmOffset(0, 0)
lens.setNearFar(-1000, 1000)
quadcamnode.setLens(lens)
quadcam = quad.attachNewNode(quadcamnode)
dr = buffer.makeDisplayRegion((0, 1, 0, 1))
dr.disableClears()
dr.setCamera(quadcam)
dr.setActive(True)
dr.setScissorEnabled(False)
buffer.setClearColor((0, 0, 0, 1))
buffer.setClearColorActive(True)
self.buffers.append(buffer)
self.sizes.append((mul, div, align))
return quad
def setupOrthographicProjectionAndViewingAccordingToMyConvention(
lookat_position=Vec3(0, 0, 0), camera_position=Vec3(5, 5, 2)):
# setup orthographic projection, make camera fixed and look at origin.
# In this script, the convention is to have the z axis (z axis is up in
# p3d) centered horizontally, pointing up, and the 3d world coordinate
# space origin centered in the middle of the window, the window only
# shows a range of $z \in [-1, +1]$
# the main camera can be accessed by base.cam or base.camera
# You can even get the Matrix associated with that camera
# I'm not sure what the difference between Lens Matrices and Camera
# Matrices are
# mat = base.cam.getMat()
# print("cam.getMat(): ", mat)
# The camera already comes with a Lens(), but I want to set my own
# make custom orthographic Lens() (the camera is just a Node)
# orthographic: setting the projection matrix
lens = OrthographicLens()
# The total height ($z \in [-1, +1]$) is here fixed to be 2.
# setting the view matrix as a function of the p3d window's
# aspect ratio
lens_view_height_in_world_coords = 5.
lens_view_width_in_world_coords = (
lens_view_height_in_world_coords *
engine.tq_graphics_basics.get_window_aspect_ratio())
print(lens_view_width_in_world_coords, lens_view_height_in_world_coords)
# setFilmSize specifies the size of the Lens box
# I call it a *viewing box* if the projection matrix produces
# orthogonal projection, and *viewing frustum* if the projection
# matrix includes perspective)
lens.setFilmSize(lens_view_width_in_world_coords,
lens_view_height_in_world_coords)
lens.setNearFar(0.001, 50.)
# you can also check for the properties of your lens/camera
print("orthographic: ", lens.isOrthographic())
# finally, set the just created Lens() to your main camera
base.cam.node().setLens(lens)
# Make sure that what you want to display is within the Lenses box
# (beware of near and far planes)
# Since it's orthogonal projection, letting the camera's position
# vary doesn't do anything to the displayed content (except maybe
# hiding it beyond the near/far planes)
# this manipulates the viewing matrix
base.cam.setPos(camera_position[0], camera_position[1], camera_position[2])
base.cam.lookAt(lookat_position) # this manipulates the viewing matrix
# -- set faint ambient white lighting
from panda3d.core import AmbientLight
alight = AmbientLight('alight')
alnp = engine.tq_graphics_basics.tq_render.attachNewNode_p3d(alight)
alight.setColor(Vec4(0.35, 0.35, 0.35, 1))
engine.tq_graphics_basics.tq_render.setLight(alnp)
def orthographic():
global PERSPECTIVE
PERSPECTIVE = False
sandbox.base.disableMouse()
sandbox.base.camera.setPos(0, 0, 3000)
sandbox.base.camera.setHpr(0, -90, 0)
lens = OrthographicLens()
lens.setFilmSize(10)
sandbox.base.cam.node().setLens(lens)
def __init__(self):
ShowBase.__init__(self)
lens = OrthographicLens()
base.cam.node().setLens(lens)
panda = TestPanda3d("testPanda3d")
#print("panda:" + str(panda.is_empty()))
panda.reparentTo(render)
def renderQuadInto(self,
mul=1,
div=1,
align=1,
depthtex=None,
colortex=None,
auxtex0=None,
auxtex1=None):
""" Creates an offscreen buffer for an intermediate
computation. Installs a quad into the buffer. Returns
the fullscreen quad. The size of the buffer is initially
equal to the size of the main window. The parameters 'mul',
'div', and 'align' can be used to adjust that size. """
texgroup = (depthtex, colortex, auxtex0, auxtex1)
winx, winy = self.getScaledSize(mul, div, align)
depthbits = bool(depthtex != None)
buffer = self.createBuffer("filter-stage", winx, winy, texgroup,
depthbits)
if (buffer == None):
return None
cm = CardMaker("filter-stage-quad")
cm.setFrameFullscreenQuad()
quad = NodePath(cm.generate())
quad.setDepthTest(0)
quad.setDepthWrite(0)
quad.setColor(1, 0.5, 0.5, 1)
quadcamnode = Camera("filter-quad-cam")
lens = OrthographicLens()
lens.setFilmSize(2, 2)
lens.setFilmOffset(0, 0)
lens.setNearFar(-1000, 1000)
quadcamnode.setLens(lens)
quadcam = quad.attachNewNode(quadcamnode)
dr = buffer.makeDisplayRegion((0, 1, 0, 1))
dr.disableClears()
dr.setCamera(quadcam)
dr.setActive(True)
dr.setScissorEnabled(False)
# This clear stage is important if the buffer is padded, so that
# any pixels accidentally sampled in the padded region won't
# be reading from unititialised memory.
buffer.setClearColor((0, 0, 0, 1))
buffer.setClearColorActive(True)
self.buffers.append(buffer)
self.sizes.append((mul, div, align))
return quad
def _makeFullscreenCam(self):
bufferCam = Camera("BufferCamera")
lens = OrthographicLens()
lens.setFilmSize(2, 2)
lens.setFilmOffset(0, 0)
lens.setNearFar(-1000, 1000)
bufferCam.setLens(lens)
bufferCam.setCullBounds(OmniBoundingVolume())
return bufferCam
def setup(self,task):
lens = OrthographicLens()
lens.setFilmSize(25,20)
base.camNode.setLen(lens)
self.player =
self.marioGfx
self.marioGfx
return Task.done
def renderSceneInto(self, depthtex=None, colortex=None, auxtex=None, auxbits=0, textures=None):
if textures:
colortex = textures.get('color', None)
depthtex = textures.get('depth', None)
auxtex = textures.get('aux', None)
auxtex0 = textures.get('aux0', auxtex)
auxtex1 = textures.get('aux1', None)
else:
auxtex0 = auxtex
auxtex1 = None
if colortex == None:
colortex = Texture('filter-base-color')
colortex.setWrapU(Texture.WMClamp)
colortex.setWrapV(Texture.WMClamp)
texgroup = (depthtex, colortex, auxtex0, auxtex1)
winx, winy = self.getScaledSize(1, 1, 1)
buffer = self.createBuffer('filter-base', winx, winy, texgroup)
if buffer == None:
return
cm = CardMaker('filter-base-quad')
cm.setFrameFullscreenQuad()
quad = NodePath(cm.generate())
quad.setDepthTest(0)
quad.setDepthWrite(0)
quad.setTexture(colortex)
quad.setColor(1, 0.5, 0.5, 1)
cs = NodePath('dummy')
cs.setState(self.camstate)
if auxbits:
cs.setAttrib(AuxBitplaneAttrib.make(auxbits))
self.camera.node().setInitialState(cs.getState())
quadcamnode = Camera('filter-quad-cam')
lens = OrthographicLens()
lens.setFilmSize(2, 2)
lens.setFilmOffset(0, 0)
lens.setNearFar(-1000, 1000)
quadcamnode.setLens(lens)
quadcam = quad.attachNewNode(quadcamnode)
self.region.setCamera(quadcam)
self.setStackedClears(buffer, self.rclears, self.wclears)
if auxtex0:
buffer.setClearActive(GraphicsOutput.RTPAuxRgba0, 1)
buffer.setClearValue(GraphicsOutput.RTPAuxRgba0, (0.5, 0.5, 1.0, 0.0))
if auxtex1:
buffer.setClearActive(GraphicsOutput.RTPAuxRgba1, 1)
self.region.disableClears()
if self.isFullscreen():
self.win.disableClears()
dr = buffer.makeDisplayRegion()
dr.disableClears()
dr.setCamera(self.camera)
dr.setActive(1)
self.buffers.append(buffer)
self.sizes.append((1, 1, 1))
return quad
def _make_fullscreen_cam(self):
""" Creates an orthographic camera for the buffer """
buffer_cam = Camera("BufferCamera")
lens = OrthographicLens()
lens.set_film_size(2, 2)
lens.set_film_offset(0, 0)
lens.set_near_far(-100, 100)
buffer_cam.set_lens(lens)
buffer_cam.set_cull_bounds(OmniBoundingVolume())
self._camera = self._node.attach_new_node(buffer_cam)
self._region.set_camera(self._camera)
def setupOrtographicLens(self, near=0.1, far=100.0, filmSize=(512, 512)):
""" Setups a OrtographicLens with a given near plane, far plane
and film size. The film size is a tuple in the format (filmWidth, filmHeight)
in world space. """
self.lens = OrthographicLens()
self.lens.setNearFar(near, far)
self.lens.setFilmSize(*filmSize)
self.camera.setLens(self.lens)
self.nearPlane = near
self.farPlane = far
self.rebuildMatrixCache()
