1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*******************************************************************************************
*
* 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)
*
********************************************************************************************/
#include "raylib.h"
#include <string.h>
#define MAX_GESTURE_STRINGS 20
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - gestures detection");
Vector2 touchPosition = { 0, 0 };
Rectangle touchArea = { 220, 10, screenWidth - 230, screenHeight - 20 };
int gesturesCount = 0;
char gestureStrings[MAX_GESTURE_STRINGS][32];
int currentGesture = GESTURE_NONE;
int lastGesture = GESTURE_NONE;
//SetGesturesEnabled(0b0000000000001001); // Enable only some gestures to be detected
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
lastGesture = currentGesture;
currentGesture = GetGestureDetected();
touchPosition = GetTouchPosition(0);
if (CheckCollisionPointRec(touchPosition, touchArea) && (currentGesture != GESTURE_NONE))
{
if (currentGesture != lastGesture)
{
// Store gesture string
switch (currentGesture)
{
case GESTURE_TAP: strcpy(gestureStrings[gesturesCount], "GESTURE TAP"); break;
case GESTURE_DOUBLETAP: strcpy(gestureStrings[gesturesCount], "GESTURE DOUBLETAP"); break;
case GESTURE_HOLD: strcpy(gestureStrings[gesturesCount], "GESTURE HOLD"); break;
case GESTURE_DRAG: strcpy(gestureStrings[gesturesCount], "GESTURE DRAG"); break;
case GESTURE_SWIPE_RIGHT: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE RIGHT"); break;
case GESTURE_SWIPE_LEFT: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE LEFT"); break;
case GESTURE_SWIPE_UP: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE UP"); break;
case GESTURE_SWIPE_DOWN: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE DOWN"); break;
case GESTURE_PINCH_IN: strcpy(gestureStrings[gesturesCount], "GESTURE PINCH IN"); break;
case GESTURE_PINCH_OUT: strcpy(gestureStrings[gesturesCount], "GESTURE PINCH OUT"); break;
default: break;
}
gesturesCount++;
// Reset gestures strings
if (gesturesCount >= MAX_GESTURE_STRINGS)
{
for (int i = 0; i < MAX_GESTURE_STRINGS; i++) strcpy(gestureStrings[i], "\0");
gesturesCount = 0;
}
}
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawRectangleRec(touchArea, GRAY);
DrawRectangle(225, 15, screenWidth - 240, screenHeight - 30, RAYWHITE);
DrawText("GESTURES TEST AREA", screenWidth - 270, screenHeight - 40, 20, Fade(GRAY, 0.5f));
for (int i = 0; i < gesturesCount; i++)
{
if (i%2 == 0) DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.5f));
else DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.3f));
if (i < gesturesCount - 1) DrawText(gestureStrings[i], 35, 36 + 20*i, 10, DARKGRAY);
else DrawText(gestureStrings[i], 35, 36 + 20*i, 10, MAROON);
}
DrawRectangleLines(10, 29, 200, screenHeight - 50, GRAY);
DrawText("DETECTED GESTURES", 50, 15, 10, GRAY);
if (currentGesture != GESTURE_NONE) DrawCircleV(touchPosition, 30, MAROON);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
}
|
