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Clamp particle size (Fixes #256)

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saschawillems 2016-12-10 12:03:15 +01:00
parent 40f481f9fd
commit a376f2d695
2 changed files with 1 additions and 3 deletions
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4
data/shaders/computenbody/particle.vert
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@ -23,13 +23,11 @@ out gl_PerVertex
void main ()
{
gl_PointSize = 8.0;
const float spriteSize = 0.005 * inPos.w; // Point size influenced by mass (stored in inPos.w);
vec4 eyePos = ubo.modelview * vec4(inPos.x, inPos.y, inPos.z, 1.0);
vec4 projectedCorner = ubo.projection * vec4(0.5 * spriteSize, 0.5 * spriteSize, eyePos.z, eyePos.w);
gl_PointSize = ubo.screendim.x * projectedCorner.x / projectedCorner.w;
gl_PointSize = clamp(ubo.screendim.x * projectedCorner.x / projectedCorner.w, 1.0, 128.0);
gl_Position = ubo.projection * eyePos;

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data/shaders/computenbody/particle.vert.spv
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