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authorRay <[email protected]>2019-05-18 01:27:54 +0200
committerRay <[email protected]>2019-05-18 01:27:54 +0200
commit210d5ec72bbc4ba426b21f69e6f65b6d75923d05 (patch)
treec01f6e14d673504534602c7ae9609b3dff248806 /examples/web/textures/textures_sprite_button.c
parent85b11a6baf64a2b4e02c81d4d47b15eb578dc074 (diff)
downloadraylib.com-210d5ec72bbc4ba426b21f69e6f65b6d75923d05.tar.gz
raylib.com-210d5ec72bbc4ba426b21f69e6f65b6d75923d05.zip
Update examples to raylib 2.5 -WIP-
Remove old examples
Diffstat (limited to 'examples/web/textures/textures_sprite_button.c')
-rw-r--r--examples/web/textures/textures_sprite_button.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/examples/web/textures/textures_sprite_button.c b/examples/web/textures/textures_sprite_button.c
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+/*******************************************************************************************
+*
+* raylib [textures] example - sprite button
+*
+* This example has been created using raylib 2.5 (www.raylib.com)
+* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+* Copyright (c) 2019 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#if defined(PLATFORM_WEB)
+ #include <emscripten/emscripten.h>
+#endif
+
+#define NUM_FRAMES 3 // Number of frames (rectangles) for the button sprite texture
+
+//----------------------------------------------------------------------------------
+// Global Variables Definition
+//----------------------------------------------------------------------------------
+int screenWidth = 800;
+int screenHeight = 450;
+
+// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
+
+Sound fxButton;
+Texture2D button;
+
+// Define frame rectangle for drawing
+int frameHeight = 0;
+Rectangle sourceRec = { 0 };
+
+// Define button bounds on screen
+Rectangle btnBounds = { 0 };
+
+int btnState = 0; // Button state: 0-NORMAL, 1-MOUSE_HOVER, 2-PRESSED
+bool btnAction = false; // Button action should be activated
+
+Vector2 mousePoint = { 0.0f, 0.0f };
+
+//----------------------------------------------------------------------------------
+// Module Functions Declaration
+//----------------------------------------------------------------------------------
+void UpdateDrawFrame(void); // Update and Draw one frame
+
+//----------------------------------------------------------------------------------
+// Main Enry Point
+//----------------------------------------------------------------------------------
+int main()
+{
+ // Initialization
+ //--------------------------------------------------------------------------------------
+ InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite button");
+
+ InitAudioDevice(); // Initialize audio device
+
+ fxButton = LoadSound("resources/buttonfx.wav"); // Load button sound
+ button = LoadTexture("resources/button.png"); // Load button texture
+
+ // Define frame rectangle for drawing
+ frameHeight = button.height/NUM_FRAMES;
+ sourceRec = (Rectangle){ 0, 0, button.width, frameHeight };
+
+ // Define button bounds on screen
+ btnBounds = (Rectangle){ screenWidth/2 - button.width/2, screenHeight/2 - button.height/NUM_FRAMES/2, button.width, frameHeight };
+
+#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
+ //--------------------------------------------------------------------------------------
+ UnloadTexture(button); // Unload button texture
+ UnloadSound(fxButton); // Unload sound
+
+ CloseAudioDevice(); // Close audio device
+
+ CloseWindow(); // Close window and OpenGL context
+ //--------------------------------------------------------------------------------------
+
+ return 0;
+}
+
+//----------------------------------------------------------------------------------
+// Module Functions Definition
+//----------------------------------------------------------------------------------
+void UpdateDrawFrame(void)
+{
+ // Update
+ //----------------------------------------------------------------------------------
+ mousePoint = GetMousePosition();
+ btnAction = false;
+
+ // Check button state
+ if (CheckCollisionPointRec(mousePoint, btnBounds))
+ {
+ if (IsMouseButtonDown(MOUSE_LEFT_BUTTON)) btnState = 2;
+ else btnState = 1;
+
+ if (IsMouseButtonReleased(MOUSE_LEFT_BUTTON)) btnAction = true;
+ }
+ else btnState = 0;
+
+ if (btnAction)
+ {
+ PlaySound(fxButton);
+
+ // TODO: Any desired action
+ }
+
+ // Calculate button frame rectangle to draw depending on button state
+ sourceRec.y = btnState*frameHeight;
+ //----------------------------------------------------------------------------------
+
+ // Draw
+ //----------------------------------------------------------------------------------
+ BeginDrawing();
+
+ ClearBackground(RAYWHITE);
+
+ DrawTextureRec(button, sourceRec, (Vector2){ btnBounds.x, btnBounds.y }, WHITE); // Draw button frame
+
+ EndDrawing();
+ //----------------------------------------------------------------------------------
+}