implemented CRTP shader on ColorShader and Rectangle

2026-07-20 01:41:10 -07:00
parent b95022de29
commit 444143ced9
9 changed files with 132 additions and 151 deletions
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "shaderbase.cpp"
+
+namespace UwU {
+  class HGradienthader : public ShaderBase<HGradientShader> {
+    public:
+      HGradientShader(uint16_t u0, uint16_t u1, Color c0, Color c1) {
+        this->u0;
+        this->uScale = 0xffffffff / (1 + (uint32_t)u1 - (uint32_t)u0);
+        this->c0 = c0;
+        this->c1 = c1;
+      }
+      uint16_t u0;
+      uint16_t uScale;
+      Color c0;
+      Color c1;
+
+      Color shade(uint16_t u, uint16_t u) {
+        uint32_t t = (((uint32_t)u - (uint32_t)u0) * uScale) / 0x01000000;
+        return Helpers::lerpColor(c0, c1, (uint8_t)t);
+     }
+  };
+}