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added pointMesh primitive

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clayjohn 2018-11-18 21:13:09 -08:00
parent 06a6507751
commit ff7c37927a
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doc/classes/PointMesh.xml Normal file
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<?xml version="1.0" encoding="UTF-8" ?>
<class name="PointMesh" inherits="PrimitiveMesh" category="Core" version="3.2">
<brief_description>
Mesh with a single Point primitive.
</brief_description>
<description>
The PointMesh is made from a single point. Instead of relying on triangles, points are rendered as a single rectangle on the screen with a constant size. They are intended to be used with Particle systems, but can be used as a cheap way to render constant size billboarded sprites (for example in a point cloud).
PointMeshes, must be used with a material that has a point size. Point size can be accessed in a shader with [code]POINT_SIZE[/code], or in a [SpatialMaterial] by setting [member SpatialMaterial.flags_use_point_size] and the variable [member SpatialMaterial.params_point_size].
When using PointMeshes, properties that normally alter vertices will be ignored, including billboard mode, grow, and cull face.
</description>
<tutorials>
</tutorials>
<methods>
</methods>
<constants>
</constants>
</class>