def addShaderAttributes(self, shaderFunc):
"""
adds a per vertex shader attribute.
"""
ModelSegment.addShaderAttributes(self, shaderFunc)
if self.hasCol():
shaderFunc.addAttribute(type="vec4", name="vertexColor")
if self.hasOrco():
shaderFunc.addAttribute(type="vec2", name="vertexUV")
if self.hasNor():
shaderFunc.addAttribute(type="vec3", name="vertexNormal")
def __init__(self, name, params):
# remember duplicated vertices for animation purpose
self.duplicatedIndexes = {}
# Note: vertex data here maybe deleted later (after create) to save some ram
self.vertices = params['cos']
conf = params.get('verticesConf')
if conf!=None and conf.dynamic:
self.dynamicVertices = True
else:
self.dynamicVertices = False
self.normals = params.get('nos', None)
conf = params.get('normalsConf')
if conf!=None and conf.dynamic:
self.dynamicNormals = True
else:
self.dynamicNormals = False
self.uvs = params.get('uvco')
conf = params.get('uvsConf')
if conf!=None and conf.dynamic:
self.dynamicUvs = True
else:
self.dynamicUvs = False
self.colors = params.get('cols')
conf = params.get('colorsConf')
if conf!=None and conf.dynamic:
self.dynamicColors = True
else:
self.dynamicColors = False
self.numVertices = len(self.vertices.data)
# num of vertices may change,
# display lists may need lists with vertices added
# multiple times.
self.numInitialVertices = self.numVertices
ModelSegment.__init__(self, name, params)
