68 lines
2.4 KiB
Plaintext
68 lines
2.4 KiB
Plaintext
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shader_type canvas_item;
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// === ЭКРАННАЯ ТЕКСТУРА (обязательно для Godot 4) ===
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uniform sampler2D screen_texture : hint_screen_texture;
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// === НАСТРОЙКИ ===
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uniform float aberration_strength : hint_range(0.0, 0.02) = 0.003;
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uniform float scanline_intensity : hint_range(0.0, 1.0) = 0.25;
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uniform float scanline_count = 320.0;
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uniform float vignette_strength : hint_range(0.0, 1.0) = 0.3;
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uniform float color_saturation : hint_range(0.0, 2.0) = 0.7;
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uniform float brightness : hint_range(-0.5, 0.5) = 0.0;
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uniform float contrast : hint_range(0.5, 1.5) = 1.1;
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uniform float opacity : hint_range(0.0, 1.0) = 1.0;
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uniform bool enable_scanlines = true;
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uniform bool enable_vignette = true;
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uniform bool enable_aberration = true;
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void fragment() {
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vec2 uv = UV;
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// === ХРОМАТИЧЕСКАЯ АБЕРРАЦИЯ ===
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vec3 color;
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if (enable_aberration && aberration_strength > 0.0) {
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vec2 center = vec2(0.5, 0.5);
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vec2 dir = uv - center;
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float dist = length(dir);
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vec2 offset = normalize(dir) * dist * aberration_strength;
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float r = texture(screen_texture, uv + offset).r;
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float g = texture(screen_texture, uv).g;
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float b = texture(screen_texture, uv - offset).b;
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color = vec3(r, g, b);
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} else {
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color = texture(screen_texture, uv).rgb;
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}
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// === СКАНЛАЙНЫ ===
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if (enable_scanlines && scanline_intensity > 0.0) {
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float scanline = sin(uv.y * scanline_count * 3.14159265);
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scanline = scanline * 0.5 + 0.5;
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scanline = pow(scanline, 1.2);
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color *= 1.0 - (scanline * scanline_intensity * 0.5);
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}
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// === ВИНЬЕТКА ===
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if (enable_vignette && vignette_strength > 0.0) {
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vec2 center_uv = uv - 0.5;
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float vignette = dot(center_uv, center_uv) * 4.0;
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vignette = 1.0 - (vignette * vignette_strength * 0.7);
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vignette = clamp(vignette, 0.0, 1.0);
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color *= vignette;
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}
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// === НАСЫЩЕННОСТЬ ЦВЕТА ===
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if (color_saturation != 1.0) {
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float gray = dot(color, vec3(0.299, 0.587, 0.114));
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color = mix(vec3(gray), color, color_saturation);
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}
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// === ЯРКОСТЬ И КОНТРАСТ ===
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color = (color - 0.5) * contrast + 0.5;
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color += brightness;
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color = clamp(color, 0.0, 1.0);
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// === ИТОГОВЫЙ ЦВЕТ С ПРОЗРАЧНОСТЬЮ ===
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COLOR = vec4(color, opacity);
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}
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