97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/*******************************************************************************************
|
|
*
|
|
* 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(void)
|
|
{
|
|
// 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
|
|
float frameHeight = (float)button.height/NUM_FRAMES;
|
|
Rectangle sourceRec = { 0, 0, (float)button.width, frameHeight };
|
|
|
|
// Define button bounds on screen
|
|
Rectangle btnBounds = { screenWidth/2.0f - button.width/2.0f, screenHeight/2.0f - button.height/NUM_FRAMES/2.0f, (float)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_BUTTON_LEFT)) btnState = 2;
|
|
else btnState = 1;
|
|
|
|
if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) 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;
|
|
} |