119 lines
3.8 KiB
C#
119 lines
3.8 KiB
C#
/*******************************************************************************************
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*
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* raylib [core] example - input multitouch
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*
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* Example complexity rating: [★☆☆☆] 1/4
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*
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* Example originally created with raylib 2.1, last time updated with raylib 2.5
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*
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* Example contributed by Berni (@Berni8k) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2019-2025 Berni (@Berni8k) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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using System.Numerics;
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using static Raylib_cs.Raylib;
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namespace Examples.Core;
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public partial class InputMultitouch : IExample
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{
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private const int screenWidth = 800;
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private const int screenHeight = 450;
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private const int MaxTouchPoints = 10;
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public string Name => "Core / Input Multitouch";
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public string Title => "raylib [core] example - input multitouch";
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private Vector2[] touchPositions;
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public void Init()
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{
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touchPositions = new Vector2[MaxTouchPoints];
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}
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public void Update()
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{
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// Update
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//----------------------------------------------------------------------------------
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// Get the touch point count ( how many fingers are touching the screen )
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var tCount = GetTouchPointCount();
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// Clamp touch points available ( set the maximum touch points allowed )
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if (tCount > MaxTouchPoints)
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{
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tCount = MaxTouchPoints;
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}
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// Get touch points positions
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for (var i = 0; i < tCount; i++)
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{
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touchPositions[i] = GetTouchPosition(i);
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}
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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for (var i = 0; i < tCount; i++)
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{
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// Make sure point is not (0, 0) as this means there is no touch for it
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if ((touchPositions[i].X > 0) && (touchPositions[i].Y > 0))
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{
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// Draw circle and touch index number
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DrawCircleV(touchPositions[i], 34, Color.Orange);
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DrawText(i.ToString(),
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(int)touchPositions[i].X - 10,
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(int)touchPositions[i].Y - 70,
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40,
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Color.Black
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);
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}
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}
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DrawText("touch the screen at multiple locations to get multiple balls", 10, 10, 20, Color.DarkGray);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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public void Unload()
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{
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}
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public static int Main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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InitWindow(screenWidth, screenHeight, "raylib [core] example - input multitouch");
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//---------------------------------------------------------------------------------------
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var game = new InputMultitouch();
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game.Init();
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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game.Update();
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}
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game.Unload();
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// De-Initialization
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//--------------------------------------------------------------------------------------
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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}
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