71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
#include <raylib.h>
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const int width = 1280;
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const int height = 1280;
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int main() {
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InitWindow(width, height, "brotshader");
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Shader shader = LoadShader(0, "mandelbrot.glsl");
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RenderTexture2D target = LoadRenderTexture(width, height);
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float c[2] = {0, 0};
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float offset[2] = {0, 0};
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float zoom = 2.0f;
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int max = 255;
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int resolutionLoc = GetShaderLocation(shader, "resolution");
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int locationLoc = GetShaderLocation(shader, "location");
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int zoomLoc = GetShaderLocation(shader, "zoom");
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int maxLoc = GetShaderLocation(shader, "max");
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float screen[2] = {(float)width, (float)height};
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SetShaderValue(shader, resolutionLoc, screen, SHADER_UNIFORM_VEC2);
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SetShaderValue(shader, locationLoc, &offset, SHADER_UNIFORM_VEC2);
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SetShaderValue(shader, zoomLoc, &zoom, SHADER_UNIFORM_FLOAT);
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SetShaderValue(shader, maxLoc, &max, SHADER_UNIFORM_INT);
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SetTargetFPS(60);
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while (!WindowShouldClose()) {
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if (IsKeyDown(KEY_UP)) offset[1] -= zoom * 0.01f;
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if (IsKeyDown(KEY_DOWN)) offset[1] += zoom * 0.01f;
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if (IsKeyDown(KEY_RIGHT)) offset[0] -= zoom * 0.01f;
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if (IsKeyDown(KEY_LEFT)) offset[0] += zoom * 0.01f;
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if (IsKeyDown(KEY_W)) zoom -= zoom * 0.01f;
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if (IsKeyDown(KEY_S)) zoom += zoom * 0.01f;
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if (IsKeyDown(KEY_A)) max -= 1;
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if (IsKeyDown(KEY_D)) max += 1;
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SetShaderValue(shader, resolutionLoc, screen, SHADER_UNIFORM_VEC2);
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SetShaderValue(shader, locationLoc, &offset, SHADER_UNIFORM_VEC2);
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SetShaderValue(shader, zoomLoc, &zoom, SHADER_UNIFORM_FLOAT);
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SetShaderValue(shader, maxLoc, &max, SHADER_UNIFORM_INT);
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BeginDrawing();
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ClearBackground(RAYWHITE);
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BeginTextureMode(target);
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DrawRectangle(0, 0, width, height, BLACK);
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EndTextureMode();
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BeginShaderMode(shader);
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DrawTexture(target.texture, 0, 0, WHITE);
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EndShaderMode();
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EndDrawing();
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}
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UnloadShader(shader);
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UnloadRenderTexture(target);
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CloseWindow();
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}
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