raylib/examples/core_2d_camera.c
2016-03-05 15:40:08 +01:00

71 lines
2.5 KiB
C

/*******************************************************************************************
*
* raylib [core] example - 2d camera
*
* This example has been created using raylib 1.5 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2016 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - 2d camera");
Camera2D camera;
camera.position = (Vector2){ 0, 0 };
camera.origin = (Vector2){ 100, 100 };
camera.rotation = 0.0f;
camera.zoom = 1.0f;
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyDown(KEY_RIGHT)) camera.position.x--;
else if (IsKeyDown(KEY_LEFT)) camera.position.x++;
else if (IsKeyDown(KEY_UP)) camera.position.y++;
else if (IsKeyDown(KEY_DOWN)) camera.position.y--;
if (IsKeyDown(KEY_R)) camera.rotation--;
else if (IsKeyDown(KEY_F)) camera.rotation++;
if (IsKeyDown(KEY_W)) camera.zoom += 0.005f;
if (IsKeyDown(KEY_S)) camera.zoom -= 0.005f;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawingEx(camera);
ClearBackground(RAYWHITE);
DrawText("2D CAMERA TEST", 20, 20, 20, GRAY);
DrawRectangle(0, 300, screenWidth, 50, GRAY);
DrawRectangle(400, 250, 40, 40, RED);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}