19 lines
828 B
Plaintext
19 lines
828 B
Plaintext
shader_type canvas_item;
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uniform vec4 shine_color : source_color = vec4(1.0);
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uniform float shine_progress : hint_range(0.0, 1.0, 0.01) = 0.0;
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uniform float shine_size : hint_range(0.01, 1.0, 0.01) = 0.1;
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uniform float shine_angle : hint_range(0.0, 89.9, 0.1) = 45.0;
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float scale(float value, float inMin, float inMax, float outMin, float outMax) {
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return (value - inMin) * (outMax - outMin) / (inMax - inMin) + outMin;
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}
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void fragment() {
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COLOR = texture(TEXTURE, UV);
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float slope = tan(radians(shine_angle));
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float progress = scale(shine_progress, 0.0, 1.0, -1.0 - shine_size - shine_size * slope, 1.0 * slope);
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float shine = step(slope * UV.x - UV.y, progress + shine_size + shine_size * slope) - step(slope * UV.x - UV.y, progress);
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COLOR.rgb = mix(COLOR.rgb, shine_color.rgb, shine * shine_color.a);
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} |