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15 lines
535 B
GLSL
15 lines
535 B
GLSL
uniform sampler2D image;
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uniform float minimumHeight;
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uniform float maximumHeight;
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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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float scaledHeight = clamp((materialInput.height - minimumHeight) / (maximumHeight - minimumHeight), 0.0, 1.0);
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vec4 rampColor = texture2D(image, vec2(scaledHeight, 0.5));
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rampColor = czm_gammaCorrect(rampColor);
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material.diffuse = rampColor.rgb;
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material.alpha = rampColor.a;
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return material;
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}
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