1 | /******************************************************************************************* |
2 | * |
3 | * raylib [core] example - Input multitouch |
4 | * |
5 | * This example has been created using raylib 2.1 (www.raylib.com) |
6 | * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) |
7 | * |
8 | * Example contributed by Berni (@Berni8k) and reviewed by Ramon Santamaria (@raysan5) |
9 | * |
10 | * Copyright (c) 2019 Berni (@Berni8k) and Ramon Santamaria (@raysan5) |
11 | * |
12 | ********************************************************************************************/ |
13 | |
14 | #include "raylib.h" |
15 | |
16 | int main(void) |
17 | { |
18 | // Initialization |
19 | //-------------------------------------------------------------------------------------- |
20 | const int screenWidth = 800; |
21 | const int screenHeight = 450; |
22 | |
23 | InitWindow(screenWidth, screenHeight, "raylib [core] example - input multitouch" ); |
24 | |
25 | Vector2 ballPosition = { -100.0f, -100.0f }; |
26 | Color ballColor = BEIGE; |
27 | |
28 | int touchCounter = 0; |
29 | Vector2 touchPosition = { 0.0f }; |
30 | |
31 | SetTargetFPS(60); // Set our game to run at 60 frames-per-second |
32 | //--------------------------------------------------------------------------------------- |
33 | |
34 | // Main game loop |
35 | while (!WindowShouldClose()) // Detect window close button or ESC key |
36 | { |
37 | // Update |
38 | //---------------------------------------------------------------------------------- |
39 | ballPosition = GetMousePosition(); |
40 | |
41 | ballColor = BEIGE; |
42 | |
43 | if (IsMouseButtonDown(MOUSE_LEFT_BUTTON)) ballColor = MAROON; |
44 | if (IsMouseButtonDown(MOUSE_MIDDLE_BUTTON)) ballColor = LIME; |
45 | if (IsMouseButtonDown(MOUSE_RIGHT_BUTTON)) ballColor = DARKBLUE; |
46 | |
47 | if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) touchCounter = 10; |
48 | if (IsMouseButtonPressed(MOUSE_MIDDLE_BUTTON)) touchCounter = 10; |
49 | if (IsMouseButtonPressed(MOUSE_RIGHT_BUTTON)) touchCounter = 10; |
50 | |
51 | if (touchCounter > 0) touchCounter--; |
52 | //---------------------------------------------------------------------------------- |
53 | |
54 | // Draw |
55 | //---------------------------------------------------------------------------------- |
56 | BeginDrawing(); |
57 | |
58 | ClearBackground(RAYWHITE); |
59 | |
60 | // Multitouch |
61 | for (int i = 0; i < MAX_TOUCH_POINTS; ++i) |
62 | { |
63 | touchPosition = GetTouchPosition(i); // Get the touch point |
64 | |
65 | if ((touchPosition.x >= 0) && (touchPosition.y >= 0)) // Make sure point is not (-1,-1) as this means there is no touch for it |
66 | { |
67 | // Draw circle and touch index number |
68 | DrawCircleV(touchPosition, 34, ORANGE); |
69 | DrawText(FormatText("%d" , i), touchPosition.x - 10, touchPosition.y - 70, 40, BLACK); |
70 | } |
71 | } |
72 | |
73 | // Draw the normal mouse location |
74 | DrawCircleV(ballPosition, 30 + (touchCounter*3), ballColor); |
75 | |
76 | DrawText("move ball with mouse and click mouse button to change color" , 10, 10, 20, DARKGRAY); |
77 | DrawText("touch the screen at multiple locations to get multiple balls" , 10, 30, 20, DARKGRAY); |
78 | |
79 | EndDrawing(); |
80 | //---------------------------------------------------------------------------------- |
81 | } |
82 | |
83 | // De-Initialization |
84 | //-------------------------------------------------------------------------------------- |
85 | CloseWindow(); // Close window and OpenGL context |
86 | //-------------------------------------------------------------------------------------- |
87 | |
88 | return 0; |
89 | } |