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PointsMaterial: size attenuation applies to perspective camera only #14706

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Merged
merged 1 commit into from
Aug 14, 2018
Merged

PointsMaterial: size attenuation applies to perspective camera only #14706

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3 changes: 2 additions & 1 deletion docs/api/materials/PointsMaterial.html
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,8 @@ <h3>[property:Number size]</h3>
<p>Sets the size of the points. Default is 1.0.</p>

<h3>[property:Boolean sizeAttenuation]</h3>
<p>Specify whether points' size will get smaller with the distance. Default is true.</p>
<p>Specify whether points' size is attenuated by the camera depth. (Perspective camera only.) Default is true.</p>


<h2>Methods</h2>

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10 changes: 7 additions & 3 deletions src/renderers/shaders/ShaderLib/points_vert.glsl
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Expand Up @@ -15,10 +15,14 @@ void main() {
#include <morphtarget_vertex>
#include <project_vertex>

gl_PointSize = size;

#ifdef USE_SIZEATTENUATION
gl_PointSize = size * ( scale / - mvPosition.z );
#else
gl_PointSize = size;

bool isPerspective = ( projectionMatrix[ 2 ][ 3 ] == - 1.0 );

if ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );

#endif

#include <logdepthbuf_vertex>
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