def createBuffer(self, name, xsize, ysize, texgroup, depthbits=1):
""" Low-level buffer creation. Not intended for public use. """
winprops = WindowProperties()
winprops.setSize(xsize, ysize)
props = FrameBufferProperties()
props.setRgbColor(1)
props.setDepthBits(depthbits)
depthtex, colortex, auxtex0, auxtex1 = texgroup
if auxtex0 != None:
props.setAuxRgba(1)
if auxtex1 != None:
props.setAuxRgba(2)
buffer = base.graphicsEngine.makeOutput(
self.win.getPipe(),
name,
-1,
props,
winprops,
GraphicsPipe.BFRefuseWindow | GraphicsPipe.BFResizeable,
self.win.getGsg(),
self.win,
)
if buffer == None:
return buffer
if depthtex:
buffer.addRenderTexture(depthtex, GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPDepthStencil)
if colortex:
buffer.addRenderTexture(colortex, GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPColor)
if auxtex0:
buffer.addRenderTexture(auxtex0, GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPAuxRgba0)
if auxtex1:
buffer.addRenderTexture(auxtex1, GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPAuxRgba1)
buffer.setSort(self.nextsort)
buffer.disableClears()
buffer.getDisplayRegion(0).disableClears()
self.nextsort += 1
return buffer
def makeFBO(self, name):
# This routine creates an offscreen buffer. All the complicated
# parameters are basically demanding capabilities from the offscreen
# buffer - we demand that it be able to render to texture on every
# bitplane, that it can support aux bitplanes, that it track
# the size of the host window, that it can render to texture
# cumulatively, and so forth.
winprops = WindowProperties()
props = FrameBufferProperties()
props.setRgbColor(1)
return base.graphicsEngine.makeOutput(
base.pipe, "model buffer", -2, props, winprops,
GraphicsPipe.BFSizeTrackHost | GraphicsPipe.BFRefuseWindow,
base.win.getGsg(), base.win)
def createBuffer(self, name, xsize, ysize, texgroup, depthbits=1):
""" Low-level buffer creation. Not intended for public use. """
winprops = WindowProperties()
winprops.setSize(xsize, ysize)
props = FrameBufferProperties()
props.setRgbColor(1)
props.setDepthBits(depthbits)
depthtex, colortex, auxtex0, auxtex1 = texgroup
if (auxtex0 != None):
props.setAuxRgba(1)
if (auxtex1 != None):
props.setAuxRgba(2)
buffer = base.graphicsEngine.makeOutput(
self.win.getPipe(), name, -1, props, winprops,
GraphicsPipe.BFRefuseWindow | GraphicsPipe.BFResizeable,
self.win.getGsg(), self.win)
if (buffer == None):
return buffer
if (depthtex):
buffer.addRenderTexture(depthtex, GraphicsOutput.RTMBindOrCopy,
GraphicsOutput.RTPDepthStencil)
if (colortex):
buffer.addRenderTexture(colortex, GraphicsOutput.RTMBindOrCopy,
GraphicsOutput.RTPColor)
if (auxtex0):
buffer.addRenderTexture(auxtex0, GraphicsOutput.RTMBindOrCopy,
GraphicsOutput.RTPAuxRgba0)
if (auxtex1):
buffer.addRenderTexture(auxtex1, GraphicsOutput.RTMBindOrCopy,
GraphicsOutput.RTPAuxRgba1)
buffer.setSort(self.nextsort)
buffer.disableClears()
buffer.getDisplayRegion(0).disableClears()
self.nextsort += 1
return buffer
def __init__(self):
# Check video card capabilities.
if (base.win.getGsg().getSupportsBasicShaders() == 0):
addTitle("Normal Mapping: Video driver reports that shaders are not supported.")
return
# Post the instructions
self.title = addTitle("Panda3D: Tutorial - Normal Mapping (aka Bump Mapping)")
self.inst1 = addInstructions(0.95, "Press ESC to exit")
self.inst2 = addInstructions(0.90, "Move mouse to rotate camera")
self.inst3 = addInstructions(0.85, "Left mouse button: Move forwards")
self.inst4 = addInstructions(0.80, "Right mouse button: Move backwards")
self.inst5 = addInstructions(0.75, "Enter: Turn normal maps Off")
# Load the 'abstract room' model. This is a model of an
# empty room containing a pillar, a pyramid, and a bunch
# of exaggeratedly bumpy textures.
self.room = loader.loadModel( \
"models/samples/normal_mapping/abstractroom")
self.room.reparentTo(render)
# Make the mouse invisible, turn off normal mouse controls
base.disableMouse()
props = WindowProperties()
props.setCursorHidden(True)
base.win.requestProperties(props)
# Set the current viewing target
self.focus = Vec3(55,-55,20)
self.heading = 180
self.pitch = 0
self.mousex = 0
self.mousey = 0
self.last = 0
self.mousebtn = [0,0,0]
# Start the camera control task:
taskMgr.add(self.controlCamera, "camera-task")
self.accept("escape", sys.exit, [0])
self.accept("mouse1", self.setMouseBtn, [0, 1])
self.accept("mouse1-up", self.setMouseBtn, [0, 0])
self.accept("mouse2", self.setMouseBtn, [1, 1])
self.accept("mouse2-up", self.setMouseBtn, [1, 0])
self.accept("mouse3", self.setMouseBtn, [2, 1])
self.accept("mouse3-up", self.setMouseBtn, [2, 0])
self.accept("enter", self.toggleShader)
self.accept("j", self.rotateLight, [-1])
self.accept("k", self.rotateLight, [1])
self.accept("arrow_left", self.rotateCam, [-1])
self.accept("arrow_right", self.rotateCam, [1])
# Add a light to the scene.
self.lightpivot = render.attachNewNode("lightpivot")
self.lightpivot.setPos(0,0,25)
self.lightpivot.hprInterval(10,Point3(360,0,0)).loop()
plight = PointLight('plight')
plight.setColor(Vec4(1, 1, 1, 1))
plight.setAttenuation(Vec3(0.7,0.05,0))
plnp = self.lightpivot.attachNewNode(plight)
plnp.setPos(45, 0, 0)
self.room.setLight(plnp)
self.room.setShaderInput("light", plnp)
# Add an ambient light
alight = AmbientLight('alight')
alight.setColor(Vec4(0.2, 0.2, 0.2, 1))
alnp = render.attachNewNode(alight)
self.room.setLight(alnp)
# create a sphere to denote the light
sphere = loader.loadModel("models/samples/normal_mapping/sphere")
sphere.reparentTo(plnp)
# load and apply the shader. This is using panda's
# built-in shader generation capabilities to create the
# shader for you. However, if desired, you can supply
# the shader manually. Change this line of code to:
# self.room.setShader(Shader.load("bumpMapper.sha"))
self.room.setShaderAuto()
self.shaderenable = 1
