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- ArrayGeometry
class ArrayGeometry |
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Vertex-array-based geometry node for faces, lines and points
The ArrayGeometry class allows for rendering various
types of geometry using the vertex-array extensions of
OpenGL 1.1 and above.
Attributes of note:
vertexArray -- array of vertex coordinates to draw
colorArray = None -- optional array of vertex colors
normalArray = None -- optional array of normals
textureCoordinateArray = None -- optional array of texture coordinates
objectType= GL_TRIANGLES -- type of primitive, see glDrawArrays,
Allowed values are:
GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES,
GL_TRIANGLE_STRIP, GL_TRIANGLE_FAN, GL_TRIANGLES, GL_QUAD_STRIP,
GL_QUADS, and GL_POLYGON
startIndex = 0 -- the index from which to draw, see glDrawArrays
count = -1 -- by default, render the whole array (len(vertexArray)), see glDrawArrays
ccw = 1 -- determines winding direction
solid = 1 -- whether backspace culling should be enabled
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- __init__(self, vertexArray, colorArray=None, normalArray=None, textureCoordinateArray=None, objectType=4, startIndex=0, count=-1, ccw=1, solid=1)
- draw(self)
- Does the actual rendering after the arrays are set up
- drawTransparent(self)
- Same as draw, but called when a transparent render is required
- render(self, visible=1, lit=1, textured=1, transparent=0)
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