19 lines
547 B
C
19 lines
547 B
C
#include "shaders_common.h"
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static const char *fft_fragment_program_heightmap = GLSL_300(
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precision mediump float;
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out vec4 FragColor;
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in vec3 vWorldPos;
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in vec3 vHeight;
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vec3 colormap(vec3 height) {
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return 1.0 / (1.0 + exp(-0.08 * height));
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}
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void main() {
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vec3 color = mix(vec3(1.0, 0.7, 0.7) * colormap(vHeight), vec3(0.1, 0.15, 0.1), clamp(vWorldPos.z / 400.0, 0.0, 1.0));
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color = mix(color, vec3(0.1, 0.15, 0.1), clamp(1.0 - vWorldPos.z / 2.0, 0.0, 1.0));
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FragColor = vec4(color, 1.0);
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}
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);
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