uniform vec4 color;
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uniform float glowPower;
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uniform float taperPower;
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czm_material czm_getMaterial(czm_materialInput materialInput)
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{
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czm_material material = czm_getDefaultMaterial(materialInput);
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vec2 st = materialInput.st;
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float glow = glowPower / abs(st.t - 0.5) - (glowPower / 0.5);
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if (taperPower <= 0.99999) {
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glow *= min(1.0, taperPower / (0.5 - st.s * 0.5) - (taperPower / 0.5));
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}
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vec4 fragColor;
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fragColor.rgb = max(vec3(glow - 1.0 + color.rgb), color.rgb);
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fragColor.a = clamp(0.0, 1.0, glow) * color.a;
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fragColor = czm_gammaCorrect(fragColor);
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material.emission = fragColor.rgb;
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material.alpha = fragColor.a;
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return material;
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}
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