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19 lines
637 B
Plaintext
19 lines
637 B
Plaintext
shader_type spatial;
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uniform vec3 led_data[1862];
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const int SIZE_Y = 49;
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const int SIZE_X = 38;
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void fragment() {
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int coord_y = int(floor(float(SIZE_Y) * UV.y));
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int coord_x = int(floor(float(SIZE_X) * UV.x));
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vec3 coord_color = led_data[(coord_y * SIZE_X + coord_x)];
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vec2 local_UV = vec2((UV.x - float(coord_x) * 1.0/float(SIZE_X))*float(SIZE_X),
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(UV.y - float(coord_y) * 1.0/float(SIZE_Y))*float(SIZE_Y));
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float dist = ((local_UV.x - 0.5)*(local_UV.x - 0.5) + (local_UV.y - 0.5)*(local_UV.y - 0.5));
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float factor = exp(-25.0*dist);
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ALBEDO = factor*coord_color;
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EMISSION = ALBEDO;
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} |