21 lines
775 B
JavaScript
21 lines
775 B
JavaScript
//This file is automatically rebuilt by the Cesium build process.
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export default "//\n\
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// Fragment shader for Gaussian splats.\n\
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// Renders a Gaussian splat within a quad, discarding fragments outside the unit circle.\n\
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// Applies an approximate Gaussian falloff based on distance from the center and outputs\n\
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// a color modulated by the alpha and Gaussian weight.\n\
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//\n\
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void main() {\n\
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if (v_splitDirection < 0.0 && gl_FragCoord.x > czm_splitPosition) discard;\n\
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if (v_splitDirection > 0.0 && gl_FragCoord.x < czm_splitPosition) discard;\n\
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\n\
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float A = -dot(v_vertPos, v_vertPos);\n\
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if (A < -4.) {\n\
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discard;\n\
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}\n\
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\n\
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float B = exp(A * 4.) * v_splatColor.a ;\n\
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out_FragColor = vec4(v_splatColor.rgb * B , B);\n\
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}\n\
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";
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