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Added severial examples. Corrected towards the correct return type and add utilities to prevent working with pointers

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Meatcorps 2026-05-21 06:08:27 +02:00
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Examples/Core/InputVirtualControls.cs Normal file
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/*******************************************************************************************
*
* raylib [core] example - input virtual controls
*
* Example complexity rating: [★★☆☆] 2/4
*
* Example originally created with raylib 5.0, last time updated with raylib 5.0
*
* Example contributed by GreenSnakeLinux (@GreenSnakeLinux),
* reviewed by Ramon Santamaria (@raysan5), oblerion (@oblerion) and danilwhale (@danilwhale)
*
* 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) 2024-2025 GreenSnakeLinux (@GreenSnakeLinux) and Ramon Santamaria (@raysan5)
*
********************************************************************************************/
using System.Numerics;
namespace Examples.Core;
using static Raylib_cs.Raylib;
public enum PadButton
{
BUTTON_NONE = -1,
BUTTON_UP,
BUTTON_LEFT,
BUTTON_RIGHT,
BUTTON_DOWN,
BUTTON_MAX
}
public class InputVirtualControls
{
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - input virtual controls");
Vector2 padPosition = new Vector2(100, 350);
float buttonRadius = 30;
Vector2[] buttonPositions =
[
new Vector2(
padPosition.X,padPosition.Y - buttonRadius * 1.5f
), // Up
new Vector2(
padPosition.X - buttonRadius * 1.5f, padPosition.Y
), // Left
new Vector2(
padPosition.X + buttonRadius * 1.5f, padPosition.Y
), // Right
new Vector2(
padPosition.X, padPosition.Y + buttonRadius * 1.5f
) // Down
];
Vector2[][] arrowTris = [
// Up
[
new Vector2(
buttonPositions[0].X, buttonPositions[0].Y - 12
),
new Vector2(
buttonPositions[0].X - 9, buttonPositions[0].Y + 9
),
new Vector2(
buttonPositions[0].X + 9, buttonPositions[0].Y + 9
)
],
// Left
[
new Vector2(
buttonPositions[1].X + 9, buttonPositions[1].Y - 9
),
new Vector2(
buttonPositions[1].X - 12, buttonPositions[1].Y
),
new Vector2(
buttonPositions[1].X + 9, buttonPositions[1].Y + 9
)
],
// Right
[
new Vector2(
buttonPositions[2].X + 12, buttonPositions[2].Y
),
new Vector2(
buttonPositions[2].X - 9, buttonPositions[2].Y - 9
),
new Vector2(
buttonPositions[2].X - 9, buttonPositions[2].Y + 9
)
],
// Down
[
new Vector2(
buttonPositions[3].X - 9, buttonPositions[3].Y - 9
),
new Vector2(
buttonPositions[3].X, buttonPositions[3].Y + 12
),
new Vector2(
buttonPositions[3].X + 9, buttonPositions[3].Y - 9
)
]
]
;
Color[] buttonLabelColors = [
Color.Yellow, // Up
Color.Blue, // Left
Color.Red, // Right
Color.Green // Down
];
int pressedButton = (int)PadButton.BUTTON_NONE;
Vector2 inputPosition = new Vector2( 0, 0 );
Vector2 playerPosition = new Vector2( (float)screenWidth / 2, (float)screenHeight / 2 );
float playerSpeed = 75f;
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//--------------------------------------------------------------------------
if ((GetTouchPointCount() > 0))
{
inputPosition = GetTouchPosition(0); // Use touch position
}
else
{
inputPosition = GetMousePosition(); // Use mouse position
}
// Reset pressed button to none
pressedButton = (int)PadButton.BUTTON_NONE;
// Make sure user is pressing left mouse button if they're from desktop
if ((GetTouchPointCount() > 0) ||
((GetTouchPointCount() == 0) && IsMouseButtonDown(MouseButton.Left)))
{
// Find nearest D-Pad button to the input position
for (int i = 0; i < (int)PadButton.BUTTON_MAX; i++)
{
float distX = MathF.Abs(buttonPositions[i].X - inputPosition.X);
float distY = MathF.Abs(buttonPositions[i].Y - inputPosition.Y);
if ((distX + distY < buttonRadius))
{
pressedButton = i;
break;
}
}
}
// Move player according to pressed button
switch ((PadButton)pressedButton)
{
case PadButton.BUTTON_UP: playerPosition.Y -= playerSpeed * GetFrameTime(); break;
case PadButton.BUTTON_LEFT: playerPosition.X -= playerSpeed * GetFrameTime(); break;
case PadButton.BUTTON_RIGHT: playerPosition.X += playerSpeed * GetFrameTime(); break;
case PadButton.BUTTON_DOWN: playerPosition.Y += playerSpeed * GetFrameTime(); break;
default: break;
}
;
//--------------------------------------------------------------------------
// Draw
//--------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RayWhite);
// Draw world
DrawCircleV(playerPosition, 50, Color.Maroon);
// Draw GUI
for (int i = 0; i < (int)PadButton.BUTTON_MAX; i++)
{
DrawCircleV(buttonPositions[i], buttonRadius, (i == pressedButton) ? Color.DarkGray : Color.Black);
DrawTriangle(
arrowTris[i][0],
arrowTris[i][1],
arrowTris[i][2],
buttonLabelColors[i]
);
}
DrawText("move the player with D-Pad buttons", 10, 10, 20, Color.DarkGray);
EndDrawing();
//--------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
}