47 lines
1.5 KiB
Plaintext
47 lines
1.5 KiB
Plaintext
shader_type spatial;
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render_mode world_vertex_coords;
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uniform vec3 color = vec3(0.1, 0.4, 0.8);
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uniform float reflectiveness = 10.0;
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uniform float foamHeight = 0.2;
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uniform sampler2D foamTex;
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const int WAVE_COUNT = 6;
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uniform float amplitudes[WAVE_COUNT];
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uniform float waveSpeeds[WAVE_COUNT];
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uniform float xAmplifiers[WAVE_COUNT];
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uniform float yAmplifiers[WAVE_COUNT];
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varying float yOffset;
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float calcHeight(float x, float y){
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float offset = 0.0;
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for (int i = 0; i < WAVE_COUNT; i++){
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offset += amplitudes[i] * pow(E, sin((waveSpeeds[i] * TIME) + (xAmplifiers[i] * (x)) + (yAmplifiers[i] * (y))));
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}
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return offset;
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}
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void vertex() {
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yOffset = VERTEX.y;
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vec3 b = vec3(VERTEX.x + 0.001, VERTEX.y + calcHeight(VERTEX.x + 0.001, VERTEX.z), VERTEX.z);
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vec3 c = vec3(VERTEX.x, VERTEX.y + calcHeight(VERTEX.x, VERTEX.z + 0.001), VERTEX.z + 0.001);
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VERTEX.y += calcHeight(VERTEX.x, VERTEX.z);
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NORMAL = normalize(cross(c - VERTEX, b - VERTEX));
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yOffset += VERTEX.y;
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}
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void fragment() {
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ALBEDO = color * clamp(0.8 + yOffset, 0.2, 2);
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float strength = yOffset * texture(foamTex, UV).r;
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if (strength >= foamHeight) ALBEDO = ALBEDO + vec3(1, 1, 1) * (strength + foamHeight);
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//ALPHA = 0.9;
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//ALBEDO = (NORMAL + 1.0) / 2.0;
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}
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//void light() {
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//DIFFUSE_LIGHT += clamp(dot(NORMAL, LIGHT), 0.0, 1.0) * ATTENUATION * LIGHT_COLOR;
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//vec3 halfVector = normalize(normalize(VIEW) + normalize(LIGHT));
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//SPECULAR_LIGHT += clamp(pow(dot(NORMAL, halfVector), reflectiveness), 0.0, 1.0) * LIGHT_COLOR;
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//}
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