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authorRay <[email protected]>2017-04-09 23:46:47 +0200
committerRay <[email protected]>2017-04-09 23:46:47 +0200
commitf7bebf9861734c47d0840868f243b186a59a96ba (patch)
treef5ca2d320c680ef5926b5455e4498646031cd5ac /docs/examples/web/core_2d_camera.c
parent8374460c3986b16c68a6dea0643e9af541987d52 (diff)
downloadraylib-f7bebf9861734c47d0840868f243b186a59a96ba.tar.gz
raylib-f7bebf9861734c47d0840868f243b186a59a96ba.zip
Working on web examples
Reorganizing folders Review examples Work on makefile and loader.html
Diffstat (limited to 'docs/examples/web/core_2d_camera.c')
-rw-r--r--docs/examples/web/core_2d_camera.c166
1 files changed, 0 insertions, 166 deletions
diff --git a/docs/examples/web/core_2d_camera.c b/docs/examples/web/core_2d_camera.c
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-/*******************************************************************************************
-*
-* 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
-//----------------------------------------------------------------------------------
-int screenWidth = 800;
-int screenHeight = 450;
-
-Rectangle player = { 400, 280, 40, 40 };
-Rectangle buildings[MAX_BUILDINGS];
-Color buildColors[MAX_BUILDINGS];
-
-Camera2D camera;
-
-//----------------------------------------------------------------------------------
-// Module Functions Declaration
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void); // Update and Draw one frame
-
-//----------------------------------------------------------------------------------
-// Main Enry Point
-//----------------------------------------------------------------------------------
-int main()
-{
- // 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){ 0, 0 };
- camera.rotation = 0.0f;
- camera.zoom = 1.0f;
-
-#if defined(PLATFORM_WEB)
- emscripten_set_main_loop(UpdateDrawFrame, 0, 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; // Player movement
- camera.offset.x -= 2; // Camera displacement with player movement
- }
- else if (IsKeyDown(KEY_LEFT))
- {
- 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;
- 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);
-
- Begin2dMode(camera);
-
- DrawRectangle(-6000, 320, 13000, 8000, DARKGRAY);
-
- for (int i = 0; i < MAX_BUILDINGS; i++) DrawRectangleRec(buildings[i], buildColors[i]);
-
- DrawRectangleRec(player, RED);
-
- DrawRectangle(camera.target.x, -500, 1, screenHeight*4, GREEN);
- DrawRectangle(-500, camera.target.y, screenWidth*4, 1, GREEN);
-
- End2dMode();
-
- 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();
- //----------------------------------------------------------------------------------
-} \ No newline at end of file