sdfsdfs

node_modules/pixi.js/lib/advanced-blend-modes/SubtractBlend.mjs

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+import { ExtensionType } from '../extensions/Extensions.mjs';
+import { BlendModeFilter } from '../filters/blend-modes/BlendModeFilter.mjs';
+
+"use strict";
+class SubtractBlend extends BlendModeFilter {
+  constructor() {
+    super({
+      gl: {
+        functions: `
+                float subtract(float base, float blend)
+                {
+                    return max(0.0, base - blend);
+                }
+
+                vec3 blendSubtract(vec3 base, vec3 blend, float opacity)
+                {
+                    vec3 blended = vec3(
+                        subtract(base.r, blend.r),
+                        subtract(base.g, blend.g),
+                        subtract(base.b, blend.b)
+                    );
+
+                    return (blended * opacity + base * (1.0 - opacity));
+                }
+                `,
+        main: `
+                finalColor = vec4(blendSubtract(back.rgb, front.rgb, front.a), blendedAlpha) * uBlend;
+                `
+      },
+      gpu: {
+        functions: `
+                fn subtract(base: f32, blend: f32) -> f32
+                {
+                    return max(0, base - blend);
+                }
+
+                fn blendSubtract(base:vec3<f32>,  blend:vec3<f32>,  opacity:f32) -> vec3<f32>
+                {
+                    let blended = vec3<f32>(
+                        subtract(base.r, blend.r),
+                        subtract(base.g, blend.g),
+                        subtract(base.b, blend.b)
+                    );
+
+                    return (blended * opacity + base * (1.0 - opacity));
+                }
+                `,
+        main: `
+                out = vec4<f32>(blendSubtract(back.rgb, front.rgb, front.a), blendedAlpha) * blendUniforms.uBlend;
+                `
+      }
+    });
+  }
+}
+/** @ignore */
+SubtractBlend.extension = {
+  name: "subtract",
+  type: ExtensionType.BlendMode
+};
+
+export { SubtractBlend };
+//# sourceMappingURL=SubtractBlend.mjs.map