quartznet/raylib-cs
Watch
2
0
Fork
You've already forked raylib-cs
 0
Code Wiki Activity

feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style

Browse source
This commit is contained in:
tiger tiger tiger 2026-07-17 08:22:54 +02:00
commit f804ab7773
234 changed files with 38997 additions and 10578 deletions
Download patch file Download diff file Expand all files Collapse all files

185
Examples/Shapes/BouncingBall.cs
View file

@ -2,10 +2,16 @@
*
* 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)
* Example complexity rating: [★☆☆☆] 1/4
*
* Copyright (c) 2013 Ramon Santamaria (@raysan5)
* Example originally created with raylib 2.5, last time updated with raylib 2.5
*
* Example contributed by Ramon Santamaria (@raysan5), reviewed by Jopestpe (@jopestpe)
*
* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
* BSD-like license that allows static linking with closed source software
*
* Copyright (c) 2013-2025 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
@ -14,83 +20,136 @@ using static Raylib_cs.Raylib;
namespace Examples.Shapes;
public class BouncingBall
public partial class BouncingBall : IExample
{
private const int screenWidth = 800;
private const int screenHeight = 450;
public string Name => "Shapes / Bouncing Ball";
public string Title => "raylib [shapes] example - bouncing ball";
public ConfigFlags ConfigFlags => ConfigFlags.Msaa4xHint;
private Vector2 ballPosition;
private Vector2 ballSpeed;
private int ballRadius;
private float gravity;
private bool useGravity;
private bool pause;
private int framesCounter;
public void Init()
{
ballPosition = new(GetScreenWidth() / 2.0f, GetScreenHeight() / 2.0f);
ballSpeed = new(5.0f, 4.0f);
ballRadius = 20;
gravity = 0.2f;
useGravity = true;
pause = false;
framesCounter = 0;
}
public void Update()
{
// Update
//-----------------------------------------------------
if (IsKeyPressed(KeyboardKey.G))
{
useGravity = !useGravity;
}
if (IsKeyPressed(KeyboardKey.Space))
{
pause = !pause;
}
if (!pause)
{
ballPosition.X += ballSpeed.X;
ballPosition.Y += ballSpeed.Y;
if (useGravity)
{
ballSpeed.Y += gravity;
}
// 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 *= -0.95f;
}
}
else
{
framesCounter++;
}
//-----------------------------------------------------
// Draw
//-----------------------------------------------------
BeginDrawing();
ClearBackground(Color.RayWhite);
DrawCircleV(ballPosition, (float)ballRadius, Color.Maroon);
DrawText("PRESS SPACE to PAUSE BALL MOVEMENT", 10, GetScreenHeight() - 25, 20, Color.LightGray);
if (useGravity)
{
DrawText("GRAVITY: ON (Press G to disable)", 10, GetScreenHeight() - 50, 20, Color.DarkGreen);
}
else
{
DrawText("GRAVITY: OFF (Press G to enable)", 10, GetScreenHeight() - 50, 20, Color.Red);
}
// On pause, we draw a blinking message
if (pause && ((framesCounter / 30) % 2) != 0)
{
DrawText("PAUSED", 350, 200, 30, Color.Gray);
}
DrawFPS(10, 10);
EndDrawing();
//-----------------------------------------------------
}
public void Unload()
{
}
public static int Main()
{
// Initialization
//---------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
SetConfigFlags(ConfigFlags.Msaa4xHint);
InitWindow(screenWidth, screenHeight, "raylib [shapes] example - bouncing ball");
Vector2 ballPosition = new(GetScreenWidth() / 2, GetScreenHeight() / 2);
Vector2 ballSpeed = new(5.0f, 4.0f);
int ballRadius = 20;
bool pause = false;
int framesCounter = 0;
SetTargetFPS(60);
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//----------------------------------------------------------
var game = new BouncingBall();
game.Init();
// Main game loop
while (!WindowShouldClose())
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//-----------------------------------------------------
if (IsKeyPressed(KeyboardKey.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 += 1;
}
//-----------------------------------------------------
// Draw
//-----------------------------------------------------
BeginDrawing();
ClearBackground(Color.RayWhite);
DrawCircleV(ballPosition, ballRadius, Color.Maroon);
DrawText("PRESS SPACE to PAUSE BALL MOVEMENT", 10, GetScreenHeight() - 25, 20, Color.LightGray);
// On pause, we draw a blinking message
if (pause && ((framesCounter / 30) % 2) == 0)
{
DrawText("PAUSED", 350, 200, 30, Color.Gray);
}
DrawFPS(10, 10);
EndDrawing();
//-----------------------------------------------------
game.Update();
}
game.Unload();
// De-Initialization
//---------------------------------------------------------
CloseWindow();
CloseWindow(); // Close window and OpenGL context
//----------------------------------------------------------
return 0;
}
}