from pandac.PandaModules import * import sys,os #loadPrcFileData("", "fullscreen 1") #loadPrcFileData('', 'show-buffers 1') #loadPrcFileData("", "framebuffer-multisample 1") #loadPrcFileData("", 'vfs-case-sensitive 0') # loadPrcFileData('', 'want-pstats 1') # os.spawnl(os.P_NOWAIT, "D:/Panda3D-1.3.2/bin/pstats.exe") # PStatClient.connect() import direct.directbase.DirectStart from direct.interval.IntervalGlobal import * from direct.gui.DirectGui import OnscreenText from direct.showbase.DirectObject import DirectObject from direct.actor import Actor from random import * # Function to put instructions on the screen. def addInstructions(pos, msg): return OnscreenText(text=msg, style=1, fg=(1,1,1,1), mayChange=1, pos=(-1.3, pos), align=TextNode.ALeft, scale = .05, shadow=(0,0,0,1), shadowOffset=(0.1,0.1)) # Function to put title on the screen. def addTitle(text): return OnscreenText(text=text, style=1, fg=(1,1,1,1), pos=(1.3,-0.95), align=TextNode.ARight, scale = .07) class World(DirectObject): def __init__(self): # Preliminary capabilities check. if (base.win.getGsg().getSupportsBasicShaders()==0): self.t=addTitle("Shadow Demo: Video driver reports that shaders are not supported.") return if (base.win.getGsg().getSupportsDepthTexture()==0): self.t=addTitle("Shadow Demo: Video driver reports that depth textures are not supported.") return # creating the offscreen buffer. winprops = WindowProperties.size(512,512) props = FrameBufferProperties() props.setRgbColor(1) props.setAlphaBits(1) props.setDepthBits(1) LBuffer = base.graphicsEngine.makeOutput( base.pipe, "offscreen buffer", -2, props, winprops, GraphicsPipe.BFCanBindEvery | GraphicsPipe.BFRttCumulative | GraphicsPipe.BFRefuseWindow, base.win.getGsg(),base.win) if (LBuffer == None): self.t=addTitle("Shadow Demo: Video driver cannot create an offscreen buffer.") return Ldepthmap = Texture() LBuffer.addRenderTexture(Ldepthmap, GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPDepth) Ldepthmap.setMinfilter(Texture.FTShadow) # to use OpenGL SGIX_shadow extension Ldepthmap.setMagfilter(Texture.FTShadow) # Adding a color texture is totally unnecessary, but it helps with debugging. Lcolormap = Texture() LBuffer.addRenderTexture(Lcolormap, GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPColor) self.inst_p = addInstructions(0.95, 'P : stop/start the Panda Rotation') self.inst_w = addInstructions(0.90, 'W : stop/start the Walk Cycle') self.inst_t = addInstructions(0.85, 'T : stop/start the Teapot') self.inst_l = addInstructions(0.80, 'L : move light source far or close') self.inst_v = addInstructions(0.75, 'V: View the Depth-Texture results') self.inst_x = addInstructions(0.70, 'Left/Right Arrow : switch camera angles') self.inst_a = addInstructions(0.65, 'Something about A/Z and push bias') self.inst_d = addInstructions(0.60, 'Something about D/C and whatever') base.setFrameRateMeter(1) base.setBackgroundColor(0,0,0,1) base.camLens.setNearFar(1.0,10000) base.camLens.setFov(75) base.disableMouse() # Load the scene. floorTex=loader.loadTexture('maps/envir-ground.jpg') cm=CardMaker('') cm.setFrame(-2,2,-2,2) floor = render.attachNewNode(PandaNode("floor")) for y in range(12): for x in range(12): nn = floor.attachNewNode(cm.generate()) nn.setP(-90) nn.setPos((x-6)*4, (y-6)*4, 0) floor.setTexture(floorTex) floor.flattenStrong() self.pandaAxis=render.attachNewNode('panda axis') self.pandaModel=Actor.Actor('panda-model',{'walk':'panda-walk4'}) self.pandaModel.reparentTo(self.pandaAxis) self.pandaModel.setPos(9,0,0) self.pandaModel.setShaderInput("scale",0.01,0.01,0.01,1.0) self.pandaWalk = self.pandaModel.actorInterval('walk',playRate=1.8) self.pandaWalk.loop() self.pandaMovement = self.pandaAxis.hprInterval(20.0,Point3(-360,0,0),startHpr=Point3(0,0,0)) self.pandaMovement.loop() self.teapot=loader.loadModel('teapot') self.teapot.reparentTo(render) self.teapot.setPos(0,-20,10) self.teapot.setShaderInput("texDisable",1,1,1,1) self.teapotMovement = self.teapot.hprInterval(50,Point3(0,360,360)) self.teapotMovement.loop() self.accept('escape',sys.exit) self.accept("arrow_left", self.incrementCameraPosition, [-1]) self.accept("arrow_right", self.incrementCameraPosition, [1]) self.accept("p", self.toggleInterval, [self.pandaMovement]) self.accept("P", self.toggleInterval, [self.pandaMovement]) self.accept("t", self.toggleInterval, [self.teapotMovement]) self.accept("T", self.toggleInterval, [self.teapotMovement]) self.accept("w", self.toggleInterval, [self.pandaWalk]) self.accept("W", self.toggleInterval, [self.pandaWalk]) self.accept("v", base.bufferViewer.toggleEnable) self.accept("V", base.bufferViewer.toggleEnable) self.accept("l", self.incrementLightPosition, [1]) self.accept("L", self.incrementLightPosition, [1]) self.accept("o", base.oobe) self.accept("d", self.adjustConcentration, [0.05]) self.accept("D", self.adjustConcentration, [0.05]) self.accept("c", self.adjustConcentration, [-0.05]) self.accept("C", self.adjustConcentration, [-0.05]) self.accept('a',self.adjustPushBias,[1.1]) self.accept('A',self.adjustPushBias,[1.1]) self.accept('z',self.adjustPushBias,[0.9]) self.accept('Z',self.adjustPushBias,[0.9]) self.LCam=base.makeCamera(LBuffer) self.LCam.node().setScene(render) self.LCam.node().getLens().setFov(40) self.LCam.node().getLens().setNearFar(1,100) # default values self.pushBias=0.04 self.ambient=0.2 self.cameraSelection = 0 self.lightSelection = 0 self.concentration = 1.0 # setting up shader render.setShaderInput('light',self.LCam) render.setShaderInput('Ldepthmap',Ldepthmap) render.setShaderInput('ambient',self.ambient,0,0,1.0) render.setShaderInput('texDisable',0,0,0,0) render.setShaderInput('scale',1,1,1,1) # Put a shader on the Light camera. lci = NodePath(PandaNode("Light Camera Initializer")) lci.setShader(Shader.load('caster-exp.sha')) self.LCam.node().setInitialState(lci.getState()) # Put a shader on the Main camera. mci = NodePath(PandaNode("Main Camera Initializer")) mci.setShader(Shader.load('shadow-exp.sha')) base.cam.node().setInitialState(mci.getState()) self.incrementCameraPosition(0) self.incrementLightPosition(0) self.adjustPushBias(1.0) self.adjustConcentration(0.0) # end of __init__ def toggleInterval(self, ival): if (ival.isPlaying()): ival.pause() else: ival.resume() def incrementCameraPosition(self,n): self.cameraSelection = (self.cameraSelection + n) % 6 if (self.cameraSelection == 0): base.cam.reparentTo(render) base.cam.setPos(30,-45,26) base.cam.lookAt(0,0,0) self.LCam.node().hideFrustum() if (self.cameraSelection == 1): base.cam.reparentTo(self.pandaModel) base.cam.setPos(7,-3,9) base.cam.lookAt(0,0,0) self.LCam.node().hideFrustum() if (self.cameraSelection == 2): base.cam.reparentTo(self.pandaModel) base.cam.setPos(-7,-3,9) base.cam.lookAt(0,0,0) self.LCam.node().hideFrustum() if (self.cameraSelection == 3): base.cam.reparentTo(render) base.cam.setPos(7,-23,12) base.cam.lookAt(self.teapot) self.LCam.node().hideFrustum() if (self.cameraSelection == 4): base.cam.reparentTo(render) base.cam.setPos(-7,-23,12) base.cam.lookAt(self.teapot) self.LCam.node().hideFrustum() if (self.cameraSelection == 5): base.cam.reparentTo(render) base.cam.setPos(1000,0,195) base.cam.lookAt(0,0,0) self.LCam.node().showFrustum() def incrementLightPosition(self,n): self.lightSelection = (self.lightSelection + n) % 2 if (self.lightSelection == 0): self.LCam.setPos(0,-40,25) self.LCam.lookAt(0,-10,0) self.LCam.node().getLens().setNearFar(1,100) if (self.lightSelection == 1): self.LCam.setPos(0,-600,200) self.LCam.lookAt(0,-10,0) self.LCam.node().getLens().setNearFar(500,1000) def shaderSupported(self): return base.win.getGsg().getSupportsBasicShaders() and \ base.win.getGsg().getSupportsDepthTexture() and \ base.win.getGsg().getSupportsShadowFilter() def adjustPushBias(self,inc): self.pushBias *= inc self.inst_a.setText('A/Z: Increase/Decrease the Push-Bias [%F]' % self.pushBias) render.setShaderInput('push',self.pushBias,self.pushBias,self.pushBias,0) def adjustConcentration(self,inc): self.concentration *= (1.0+inc) if (self.concentration < 0.1): self.concentration = 0.1 self.inst_d.setText('D/C: Increase/Decrease the Pixel-Concentration [%F]' % self.concentration) render.setShaderInput('concentration',self.concentration,1.0+self.concentration*0.1,0,0) World() run()