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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"
#define NUM_FRAMES 3 // Number of frames (rectangles) for the button sprite texture
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite button");
InitAudioDevice(); // Initialize audio device
Sound fxButton = LoadSound("resources/buttonfx.wav"); // Load button sound
Texture2D button = LoadTexture("resources/button.png"); // Load button texture
// Define frame rectangle for drawing
int frameHeight = button.height/NUM_FRAMES;
Rectangle sourceRec = { 0, 0, button.width, frameHeight };
// Define button bounds on screen
Rectangle btnBounds = { screenWidth/2 - button.width/2, screenHeight/2 - button.height/NUM_FRAMES/2, button.width, frameHeight };
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 };
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// 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();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(button); // Unload button texture
UnloadSound(fxButton); // Unload sound
CloseAudioDevice(); // Close audio device
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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