def orthogonalPass(self, debugShadows=False):
"""
draw stuff in orthogonal projection.
mainly the scene can be post processed here
and some gui elements could be drawn.
"""
### DRAW THE SCENE ###
# TODO: post shader magic !
glUseProgram(0)
# enable the scene texture
# Note that texture unit 0 should be active now.
glEnable(GL_TEXTURE_2D)
glBindTexture(GL_TEXTURE_2D, self.sceneTexture.glID)
# make sure texture matrix is set to identity
glMatrixMode(GL_TEXTURE)
glLoadIdentity()
glMatrixMode(GL_MODELVIEW)
glBegin(GL_QUADS)
glTexCoord2f(0.0, 0.0)
glVertex3f(0.0, 0.0, -1.0)
glTexCoord2f(1.0, 0.0)
glVertex3f(self.winSize[0], 0.0, -1.0)
glTexCoord2f(1.0, 1.0)
glVertex3f(self.winSize[0], self.winSize[1], -1.0)
glTexCoord2f(0.0, 1.0)
glVertex3f(0.0, self.winSize[1], -1.0)
glEnd()
### DEBUG DRAWINGS ###
# debug shadow maps
if debugShadows:
# draw the shadow maps
self.visualizeDepthShader.enable()
layerLoc = glGetUniformLocation(self.visualizeDepthShader.program, "layer")
drawShadowMaps(self.lights, layerLoc)
# reset viewport and reset to ffp
glViewport(0, 0, self.winSize[0], self.winSize[1])
glUseProgram(0)
glBindTexture(GL_TEXTURE_2D, 0)
glDisable(GL_TEXTURE_2D)
GLApp.orthogonalPass(self)
def setWindowSize(self, size):
"""
also set frustum projection.
"""
ret = GLApp.setWindowSize(self, size)
# set the frustum projection
self.sceneFrustum.setProjection(self.fov, self.aspect, self.nearClip, self.farClip)
return ret
def __init__(self):
self.models = []
self.lights = []
# render to texture scenes
self.sceneFBOS = []
# all units <self.textureCounter are reserved
self.textureCounter = 0
self.textureMatrixCounter = 0
# matrix used for projective textures will be stored at this unit
# only used when self.useProjectiveTextures=True
self.useProjectiveTextures = False
self.projectiveTextureIndex = -1
self.projectiveTextureMatrixIndex = -1
self.projectivTextureMatrix = ProjectiveTextureMatrix(self)
# set to true if you need the frustum points/centroid calculated
self.needFrustumPoints = False
# and the associated frustum
self.sceneFrustum = Frustum(0.0, 1.0)
GLApp.__init__(self)
# camera for user movement
self.sceneCamera = UserCamera(self)
# create screen textures
self.sceneTexture = Texture2D(width=self.winSize[0], height=self.winSize[1])
self.sceneTexture.create()
self.sceneDepthTexture = DepthTexture2D(width=self.winSize[0], height=self.winSize[1])
self.sceneDepthTexture.create()
# a shader that only handles the depth
self.depthShader = DepthShader()
self.visualizeDepthShader = VisualizeDepthShader()
### TESTING ###
self.lightAngle = 0.0
