diff options
Diffstat (limited to 'examples/src/core/core_2d_camera.c')
| -rw-r--r-- | examples/src/core/core_2d_camera.c | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/examples/src/core/core_2d_camera.c b/examples/src/core/core_2d_camera.c index 6a0b11a..fe8e584 100644 --- a/examples/src/core/core_2d_camera.c +++ b/examples/src/core/core_2d_camera.c @@ -13,21 +13,21 @@ #define MAX_BUILDINGS 100 -int main() +int main(void) { // Initialization //-------------------------------------------------------------------------------------- - int screenWidth = 800; - int screenHeight = 450; + const int screenWidth = 800; + const int screenHeight = 450; InitWindow(screenWidth, screenHeight, "raylib [core] example - 2d camera"); - + Rectangle player = { 400, 280, 40, 40 }; Rectangle buildings[MAX_BUILDINGS]; Color buildColors[MAX_BUILDINGS]; - + int spacing = 0; - + for (int i = 0; i < MAX_BUILDINGS; i++) { buildings[i].width = GetRandomValue(50, 200); @@ -36,22 +36,22 @@ int main() buildings[i].x = -6000 + spacing; spacing += buildings[i].width; - + buildColors[i] = (Color){ GetRandomValue(200, 240), GetRandomValue(200, 240), GetRandomValue(200, 250), 255 }; } - - Camera2D camera; - + + Camera2D camera = { 0 }; + camera.target = (Vector2){ player.x + 20, player.y + 20 }; camera.offset = (Vector2){ 0, 0 }; camera.rotation = 0.0f; camera.zoom = 1.0f; - - SetTargetFPS(60); + + SetTargetFPS(60); // Set our game to run at 60 frames-per-second //-------------------------------------------------------------------------------------- // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key + while (!WindowShouldClose()) // Detect window close button or ESC key { // Update //---------------------------------------------------------------------------------- @@ -65,26 +65,26 @@ int main() player.x -= 2; // Player movement camera.offset.x += 2; // Camera displacement with player movement } - + // Camera target follows player camera.target = (Vector2){ player.x + 20, player.y + 20 }; - + // Camera rotation controls if (IsKeyDown(KEY_A)) camera.rotation--; else if (IsKeyDown(KEY_S)) camera.rotation++; - + // Limit camera rotation to 80 degrees (-40 to 40) - if (camera.rotation > 40) camera.rotation = 40; + if (camera.rotation > 40) camera.rotation = 40; else if (camera.rotation < -40) camera.rotation = -40; - + // Camera zoom controls camera.zoom += ((float)GetMouseWheelMove()*0.05f); - + if (camera.zoom > 3.0f) camera.zoom = 3.0f; else if (camera.zoom < 0.1f) camera.zoom = 0.1f; - + // Camera reset (zoom and rotation) - if (IsKeyPressed(KEY_R)) + if (IsKeyPressed(KEY_R)) { camera.zoom = 1.0f; camera.rotation = 0.0f; @@ -94,32 +94,32 @@ int main() // Draw //---------------------------------------------------------------------------------- BeginDrawing(); - + ClearBackground(RAYWHITE); - + BeginMode2D(camera); DrawRectangle(-6000, 320, 13000, 8000, DARKGRAY); - + for (int i = 0; i < MAX_BUILDINGS; i++) DrawRectangleRec(buildings[i], buildColors[i]); - + DrawRectangleRec(player, RED); - + DrawLine(camera.target.x, -screenHeight*10, camera.target.x, screenHeight*10, GREEN); DrawLine(-screenWidth*10, camera.target.y, screenWidth*10, camera.target.y, GREEN); - + EndMode2D(); - + DrawText("SCREEN AREA", 640, 10, 20, RED); - + DrawRectangle(0, 0, screenWidth, 5, RED); DrawRectangle(0, 5, 5, screenHeight - 10, RED); DrawRectangle(screenWidth - 5, 5, 5, screenHeight - 10, RED); DrawRectangle(0, screenHeight - 5, screenWidth, 5, RED); - + DrawRectangle( 10, 10, 250, 113, Fade(SKYBLUE, 0.5f)); DrawRectangleLines( 10, 10, 250, 113, BLUE); - + DrawText("Free 2d camera controls:", 20, 20, 10, BLACK); DrawText("- Right/Left to move Offset", 40, 40, 10, DARKGRAY); DrawText("- Mouse Wheel to Zoom in-out", 40, 60, 10, DARKGRAY); @@ -131,7 +131,7 @@ int main() } // De-Initialization - //-------------------------------------------------------------------------------------- + //-------------------------------------------------------------------------------------- CloseWindow(); // Close window and OpenGL context //-------------------------------------------------------------------------------------- |