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Diffstat (limited to 'examples/web/core/core_2d_camera.c')
| -rw-r--r-- | examples/web/core/core_2d_camera.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/examples/web/core/core_2d_camera.c b/examples/web/core/core_2d_camera.c deleted file mode 100644 index b4623ee..0000000 --- a/examples/web/core/core_2d_camera.c +++ /dev/null @@ -1,158 +0,0 @@ -/******************************************************************************************* -* -* 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" - -#if defined(PLATFORM_WEB) - #include <emscripten/emscripten.h> -#endif - -#define MAX_BUILDINGS 100 - -//---------------------------------------------------------------------------------- -// Global Variables Definition -//---------------------------------------------------------------------------------- -const int screenWidth = 800; -const int screenHeight = 450; - -Rectangle player = { 400, 280, 40, 40 }; -Rectangle buildings[MAX_BUILDINGS] = { 0 }; -Color buildColors[MAX_BUILDINGS] = { 0 }; - -Camera2D camera = { 0 }; - -//---------------------------------------------------------------------------------- -// Module Functions Declaration -//---------------------------------------------------------------------------------- -void UpdateDrawFrame(void); // Update and Draw one frame - -//---------------------------------------------------------------------------------- -// Program Main Entry Point -//---------------------------------------------------------------------------------- -int main(void) -{ - // Initialization - //-------------------------------------------------------------------------------------- - InitWindow(screenWidth, screenHeight, "raylib [core] example - 2d camera"); - - int spacing = 0; - - for (int i = 0; i < MAX_BUILDINGS; i++) - { - buildings[i].width = GetRandomValue(50, 200); - buildings[i].height = GetRandomValue(100, 800); - buildings[i].y = screenHeight - 130 - buildings[i].height; - buildings[i].x = -6000 + spacing; - - spacing += buildings[i].width; - - buildColors[i] = (Color){ GetRandomValue(200, 240), GetRandomValue(200, 240), GetRandomValue(200, 250), 255 }; - } - - camera.target = (Vector2){ player.x + 20, player.y + 20 }; - camera.offset = (Vector2){ screenWidth/2, screenHeight/2 }; - camera.rotation = 0.0f; - camera.zoom = 1.0f; - -#if defined(PLATFORM_WEB) - emscripten_set_main_loop(UpdateDrawFrame, 60, 1); -#else - SetTargetFPS(60); // Set our game to run at 60 frames-per-second - //-------------------------------------------------------------------------------------- - - // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key - { - UpdateDrawFrame(); - } -#endif - - // De-Initialization - //-------------------------------------------------------------------------------------- - CloseWindow(); // Close window and OpenGL context - //-------------------------------------------------------------------------------------- - - return 0; -} - -//---------------------------------------------------------------------------------- -// Module Functions Definition -//---------------------------------------------------------------------------------- -void UpdateDrawFrame(void) -{ - // Update - //---------------------------------------------------------------------------------- - if (IsKeyDown(KEY_RIGHT)) player.x += 2; - else if (IsKeyDown(KEY_LEFT)) player.x -= 2; - - // 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; - 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)) - { - camera.zoom = 1.0f; - camera.rotation = 0.0f; - } - //---------------------------------------------------------------------------------- - - // 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); - DrawText("- A / S to Rotate", 40, 80, 10, DARKGRAY); - DrawText("- R to reset Zoom and Rotation", 40, 100, 10, DARKGRAY); - - EndDrawing(); - //---------------------------------------------------------------------------------- -}
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