implemented shaders, gradients, and uv mapping

shaders/colorshader.cpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "shader.cpp"
+
+namespace UwU {
+  class ColorShader : public Shader {
+    public:
+      ColorShader(Color color) {
+        this->shaderColor = color;
+      }
+
+      Color shaderColor;
+
+      Color color(uint16_t u, uint16_t v) override {
+        (void)u;
+        (void)v;
+        return shaderColor;
+      }
+  };
+}

shaders/gradientshader.cpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "shader.cpp"
+
+namespace UwU {
+  class GradientShader : public Shader {
+    public:
+      GradientShader(Color color0, Color color1) {
+        // this->x0 = x0;
+        this->shaderColor0 = color0;
+        // this->x1 = x1;
+        this->shaderColor1 = color1;
+      }
+      // uint16_t x0;
+      Color shaderColor0;
+      // uint16_t x1;
+      Color shaderColor1;
+
+      Color color(uint16_t u, uint16_t v) override {
+        (void)v;
+        return Helpers::lerpColor(shaderColor0, shaderColor1, u);
+      }
+  };
+}

shaders/shader.cpp

@@ -12,8 +12,10 @@ namespace UwU {
     public:
       Shader() {}
 
-      Color color() {
-        return Color(0xb00b69ff);
+      virtual Color color(uint16_t u, uint16_t v) {
+        (void)u;
+        (void)v;
+        return Color();
       }
   };
 }