1 files changed, 70 insertions, 0 deletions
diff --git a/brotshader.c b/brotshader.c
new file mode 100644
index 0000000..d0fd96b
--- /dev/null
+++ b/brotshader.c
@@ -0,0 +1,70 @@
+#include <raylib.h>
+
+const int width = 1280;
+const int height = 1280;
+
+int main() {
+	InitWindow(width, height, "brotshader");
+	
+	Shader shader = LoadShader(0, "mandelbrot.glsl");
+	
+	RenderTexture2D target = LoadRenderTexture(width, height);
+
+	float c[2] = {0, 0};
+
+	float offset[2] = {0, 0};
+	float zoom = 2.0f;
+	int max = 255;
+
+	int resolutionLoc    = GetShaderLocation(shader, "resolution");
+	int locationLoc      = GetShaderLocation(shader, "location");
+	int zoomLoc          = GetShaderLocation(shader, "zoom");
+	int maxLoc           = GetShaderLocation(shader, "max");
+	
+	float screen[2] = {(float)width, (float)height};
+
+	SetShaderValue(shader, resolutionLoc, screen, UNIFORM_VEC2);
+	SetShaderValue(shader, locationLoc, &offset, UNIFORM_VEC2);
+	SetShaderValue(shader, zoomLoc, &zoom, UNIFORM_FLOAT);
+	SetShaderValue(shader, maxLoc, &max, UNIFORM_INT);
+
+	SetTargetFPS(60);
+
+	while (!WindowShouldClose()) {
+	
+		if (IsKeyDown(KEY_UP)) offset[1] -= zoom * 0.01f;
+		if (IsKeyDown(KEY_DOWN)) offset[1] += zoom * 0.01f;
+		if (IsKeyDown(KEY_RIGHT)) offset[0] -= zoom * 0.01f;
+		if (IsKeyDown(KEY_LEFT)) offset[0] += zoom * 0.01f;
+
+		if (IsKeyDown(KEY_W)) zoom -= zoom * 0.01f;
+		if (IsKeyDown(KEY_S)) zoom += zoom * 0.01f;
+		if (IsKeyDown(KEY_A)) max -= 1;
+		if (IsKeyDown(KEY_D)) max += 1;
+
+		SetShaderValue(shader, resolutionLoc, screen, UNIFORM_VEC2);
+		SetShaderValue(shader, locationLoc, &offset, UNIFORM_VEC2);
+		SetShaderValue(shader, zoomLoc, &zoom, UNIFORM_FLOAT);
+		SetShaderValue(shader, maxLoc, &max, UNIFORM_INT);
+
+		BeginDrawing();
+
+		ClearBackground(RAYWHITE);
+
+		BeginTextureMode(target);
+		DrawRectangle(0, 0, width, height, BLACK);
+		EndTextureMode();
+
+		BeginShaderMode(shader);
+		DrawTexture(target.texture, 0, 0, WHITE);
+		EndShaderMode();
+		
+		EndDrawing();
+	}
+
+	UnloadShader(shader);
+	UnloadRenderTexture(target);
+
+	CloseWindow();
+}
+