first commit

2026-07-20 22:48:58 +07:00
commit e80aea750e
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+shader_type canvas_item;
+
+// === ЭКРАННАЯ ТЕКСТУРА (обязательно для Godot 4) ===
+uniform sampler2D screen_texture : hint_screen_texture;
+
+// === НАСТРОЙКИ ===
+uniform float aberration_strength : hint_range(0.0, 0.02) = 0.003;
+uniform float scanline_intensity : hint_range(0.0, 1.0) = 0.25;
+uniform float scanline_count = 320.0;
+uniform float vignette_strength : hint_range(0.0, 1.0) = 0.3;
+uniform float color_saturation : hint_range(0.0, 2.0) = 0.7;
+uniform float brightness : hint_range(-0.5, 0.5) = 0.0;
+uniform float contrast : hint_range(0.5, 1.5) = 1.1;
+uniform float opacity : hint_range(0.0, 1.0) = 1.0;
+uniform bool enable_scanlines = true;
+uniform bool enable_vignette = true;
+uniform bool enable_aberration = true;
+
+void fragment() {
+    vec2 uv = UV;
+    
+    // === ХРОМАТИЧЕСКАЯ АБЕРРАЦИЯ ===
+    vec3 color;
+    if (enable_aberration && aberration_strength > 0.0) {
+        vec2 center = vec2(0.5, 0.5);
+        vec2 dir = uv - center;
+        float dist = length(dir);
+        vec2 offset = normalize(dir) * dist * aberration_strength;
+        
+        float r = texture(screen_texture, uv + offset).r;
+        float g = texture(screen_texture, uv).g;
+        float b = texture(screen_texture, uv - offset).b;
+        color = vec3(r, g, b);
+    } else {
+        color = texture(screen_texture, uv).rgb;
+    }
+    
+    // === СКАНЛАЙНЫ ===
+    if (enable_scanlines && scanline_intensity > 0.0) {
+        float scanline = sin(uv.y * scanline_count * 3.14159265);
+        scanline = scanline * 0.5 + 0.5;
+        scanline = pow(scanline, 1.2);
+        color *= 1.0 - (scanline * scanline_intensity * 0.5);
+    }
+    
+    // === ВИНЬЕТКА ===
+    if (enable_vignette && vignette_strength > 0.0) {
+        vec2 center_uv = uv - 0.5;
+        float vignette = dot(center_uv, center_uv) * 4.0;
+        vignette = 1.0 - (vignette * vignette_strength * 0.7);
+        vignette = clamp(vignette, 0.0, 1.0);
+        color *= vignette;
+    }
+    
+    // === НАСЫЩЕННОСТЬ ЦВЕТА ===
+    if (color_saturation != 1.0) {
+        float gray = dot(color, vec3(0.299, 0.587, 0.114));
+        color = mix(vec3(gray), color, color_saturation);
+    }
+    
+    // === ЯРКОСТЬ И КОНТРАСТ ===
+    color = (color - 0.5) * contrast + 0.5;
+    color += brightness;
+    color = clamp(color, 0.0, 1.0);
+    
+    // === ИТОГОВЫЙ ЦВЕТ С ПРОЗРАЧНОСТЬЮ ===
+    COLOR = vec4(color, opacity);
+}