You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.6 KiB
76 lines
2.6 KiB
/*******************************************************************************************
|
|
*
|
|
* raylib [shapes] example - bouncing ball
|
|
*
|
|
* This example has been created using raylib 1.0 (www.raylib.com)
|
|
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
|
|
*
|
|
* Copyright (c) 2013 Ramon Santamaria (@raysan5)
|
|
*
|
|
********************************************************************************************/
|
|
|
|
#include "raylib.h"
|
|
|
|
int main(void)
|
|
{
|
|
// Initialization
|
|
//---------------------------------------------------------
|
|
const int screenWidth = 800;
|
|
const int screenHeight = 450;
|
|
|
|
InitWindow(screenWidth, screenHeight, "raylib [shapes] example - bouncing ball");
|
|
|
|
Vector2 ballPosition = { GetScreenWidth()/2.0f, GetScreenHeight()/2.0f };
|
|
Vector2 ballSpeed = { 5.0f, 4.0f };
|
|
int ballRadius = 20;
|
|
|
|
bool pause = 0;
|
|
int framesCounter = 0;
|
|
|
|
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
|
|
//----------------------------------------------------------
|
|
|
|
// Main game loop
|
|
while (!WindowShouldClose()) // Detect window close button or ESC key
|
|
{
|
|
// Update
|
|
//-----------------------------------------------------
|
|
if (IsKeyPressed(KEY_SPACE)) pause = !pause;
|
|
|
|
if (!pause)
|
|
{
|
|
ballPosition.x += ballSpeed.x;
|
|
ballPosition.y += ballSpeed.y;
|
|
|
|
// Check walls collision for bouncing
|
|
if ((ballPosition.x >= (GetScreenWidth() - ballRadius)) || (ballPosition.x <= ballRadius)) ballSpeed.x *= -1.0f;
|
|
if ((ballPosition.y >= (GetScreenHeight() - ballRadius)) || (ballPosition.y <= ballRadius)) ballSpeed.y *= -1.0f;
|
|
}
|
|
else framesCounter++;
|
|
//-----------------------------------------------------
|
|
|
|
// Draw
|
|
//-----------------------------------------------------
|
|
BeginDrawing();
|
|
|
|
ClearBackground(RAYWHITE);
|
|
|
|
DrawCircleV(ballPosition, (float)ballRadius, MAROON);
|
|
DrawText("PRESS SPACE to PAUSE BALL MOVEMENT", 10, GetScreenHeight() - 25, 20, LIGHTGRAY);
|
|
|
|
// On pause, we draw a blinking message
|
|
if (pause && ((framesCounter/30)%2)) DrawText("PAUSED", 350, 200, 30, GRAY);
|
|
|
|
DrawFPS(10, 10);
|
|
|
|
EndDrawing();
|
|
//-----------------------------------------------------
|
|
}
|
|
|
|
// De-Initialization
|
|
//---------------------------------------------------------
|
|
CloseWindow(); // Close window and OpenGL context
|
|
//----------------------------------------------------------
|
|
|
|
return 0;
|
|
}
|