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Update/merge examples back into main repo (#192)

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Chris Dill
2023-08-25 08:08:32 +01:00
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commit bcdf8cec5b
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Examples/Core/InputGestures.cs Normal file
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/*******************************************************************************************
*
* raylib [core] example - Gestures Detection
*
* This example has been created using raylib 1.4 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2016 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
using System.Numerics;
using static Raylib_cs.Raylib;
namespace Examples.Core;
public class InputGestures
{
public const int MaxGestureStrings = 20;
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - gestures detection");
Vector2 touchPosition = new(0, 0);
Rectangle touchArea = new(220, 10, screenWidth - 230, screenHeight - 20);
int gesturesCount = 0;
string[] gestureStrings = new string[MaxGestureStrings];
Gesture currentGesture = Gesture.GESTURE_NONE;
Gesture lastGesture = Gesture.GESTURE_NONE;
// SetGesturesEnabled(0b0000000000001001); // Enable only some gestures to be detected
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose())
{
// Update
//----------------------------------------------------------------------------------
lastGesture = currentGesture;
currentGesture = GetGestureDetected();
touchPosition = GetTouchPosition(0);
if (CheckCollisionPointRec(touchPosition, touchArea) && (currentGesture != Gesture.GESTURE_NONE))
{
if (currentGesture != lastGesture)
{
// Store gesture string
switch ((Gesture)currentGesture)
{
case Gesture.GESTURE_TAP:
gestureStrings[gesturesCount] = "GESTURE TAP";
break;
case Gesture.GESTURE_DOUBLETAP:
gestureStrings[gesturesCount] = "GESTURE DOUBLETAP";
break;
case Gesture.GESTURE_HOLD:
gestureStrings[gesturesCount] = "GESTURE HOLD";
break;
case Gesture.GESTURE_DRAG:
gestureStrings[gesturesCount] = "GESTURE DRAG";
break;
case Gesture.GESTURE_SWIPE_RIGHT:
gestureStrings[gesturesCount] = "GESTURE SWIPE RIGHT";
break;
case Gesture.GESTURE_SWIPE_LEFT:
gestureStrings[gesturesCount] = "GESTURE SWIPE LEFT";
break;
case Gesture.GESTURE_SWIPE_UP:
gestureStrings[gesturesCount] = "GESTURE SWIPE UP";
break;
case Gesture.GESTURE_SWIPE_DOWN:
gestureStrings[gesturesCount] = "GESTURE SWIPE DOWN";
break;
case Gesture.GESTURE_PINCH_IN:
gestureStrings[gesturesCount] = "GESTURE PINCH IN";
break;
case Gesture.GESTURE_PINCH_OUT:
gestureStrings[gesturesCount] = "GESTURE PINCH OUT";
break;
default:
break;
}
gesturesCount++;
// Reset gestures strings
if (gesturesCount >= MaxGestureStrings)
{
for (int i = 0; i < MaxGestureStrings; i++)
{
gestureStrings[i] = " ";
}
gesturesCount = 0;
}
}
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RAYWHITE);
DrawRectangleRec(touchArea, Color.GRAY);
DrawRectangle(225, 15, screenWidth - 240, screenHeight - 30, Color.RAYWHITE);
DrawText("GESTURES TEST AREA", screenWidth - 270, screenHeight - 40, 20, ColorAlpha(Color.GRAY, 0.5f));
for (int i = 0; i < gesturesCount; i++)
{
if (i % 2 == 0)
{
DrawRectangle(10, 30 + 20 * i, 200, 20, ColorAlpha(Color.LIGHTGRAY, 0.5f));
}
else
{
DrawRectangle(10, 30 + 20 * i, 200, 20, ColorAlpha(Color.LIGHTGRAY, 0.3f));
}
if (i < gesturesCount - 1)
{
DrawText(gestureStrings[i], 35, 36 + 20 * i, 10, Color.DARKGRAY);
}
else
{
DrawText(gestureStrings[i], 35, 36 + 20 * i, 10, Color.MAROON);
}
}
DrawRectangleLines(10, 29, 200, screenHeight - 50, Color.GRAY);
DrawText("DETECTED GESTURES", 50, 15, 10, Color.GRAY);
if (currentGesture != Gesture.GESTURE_NONE)
{
DrawCircleV(touchPosition, 30, Color.MAROON);
}
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow();
//--------------------------------------------------------------------------------------
return 0;
}
}