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41 lines
1.0 KiB
41 lines
1.0 KiB
2 years ago
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#if __VERSION__ >= 130
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#define attribute in
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#define varying out
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#endif
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#include es_precision.glsl
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#include mgl_const.glsl
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#include mgl_uniform.glsl
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#include mgl_attribute.glsl
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#include mgl_varying.glsl
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#include mgl_settexcoord.vp
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void main(void)
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{
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if( mgl_ColorEnabled > 0 ) {
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frontColor = mgl_Color;
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} else {
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frontColor = mgl_ColorStatic;
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}
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vec4 eyeCoord = mgl_PMVMatrix[1] * mgl_Vertex;
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gl_Position = mgl_PMVMatrix[0] * eyeCoord;
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float dist = distance(eyeCoord, vec4(0.0, 0.0, 0.0, 1.0));
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float atten = sqrt( 1.0 / ( pointDistanceConstantAtten +
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( pointDistanceLinearAtten +
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pointDistanceQuadraticAtten * dist
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) * dist
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)
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);
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float size = clamp(pointSize * atten, pointSizeMin, pointSizeMax);
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gl_PointSize = max(size, pointFadeThresholdSize);
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float fade = min(size, pointFadeThresholdSize) / pointFadeThresholdSize;
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frontColor.a *= fade * fade;
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}
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