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/*******************************************************************************************
*
* raylib [core] example - Input multitouch
*
* This example has been created using raylib 2.1 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Example contributed by Berni (@Berni8k) and reviewed by Ramon Santamaria (@raysan5)
*
* Copyright (c) 2019 Berni (@Berni8k) and Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
#if defined(PLATFORM_WEB)
#include <emscripten/emscripten.h>
#endif
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
Vector2 ballPosition = { -100.0f, -100.0f };
Color ballColor = BEIGE;
int touchCounter = 0;
Vector2 touchPosition = { 0 };
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void); // Update and Draw one frame
//----------------------------------------------------------------------------------
// Program Main Entry Point
//----------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
InitWindow(screenWidth, screenHeight, "raylib [core] example - input multitouch");
#if defined(PLATFORM_WEB)
emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
#else
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
UpdateDrawFrame();
}
#endif
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void)
{
// Update
//----------------------------------------------------------------------------------
ballPosition = GetMousePosition();
ballColor = BEIGE;
if (IsMouseButtonDown(MOUSE_LEFT_BUTTON)) ballColor = MAROON;
if (IsMouseButtonDown(MOUSE_MIDDLE_BUTTON)) ballColor = LIME;
if (IsMouseButtonDown(MOUSE_RIGHT_BUTTON)) ballColor = DARKBLUE;
if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) touchCounter = 10;
if (IsMouseButtonPressed(MOUSE_MIDDLE_BUTTON)) touchCounter = 10;
if (IsMouseButtonPressed(MOUSE_RIGHT_BUTTON)) touchCounter = 10;
if (touchCounter > 0) touchCounter--;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
// Multitouch
for (int i = 0; i < MAX_TOUCH_POINTS; ++i)
{
touchPosition = GetTouchPosition(i); // Get the touch point
if ((touchPosition.x >= 0) && (touchPosition.y >= 0)) // Make sure point is not (-1,-1) as this means there is no touch for it
{
// Draw circle and touch index number
DrawCircleV(touchPosition, 34, ORANGE);
DrawText(FormatText("%d", i), touchPosition.x - 10, touchPosition.y - 70, 40, BLACK);
}
}
// Draw the normal mouse location
DrawCircleV(ballPosition, 30 + (touchCounter*3), ballColor);
DrawText("move ball with mouse and click mouse button to change color", 10, 10, 20, DARKGRAY);
DrawText("touch the screen at multiple locations to get multiple balls", 10, 30, 20, DARKGRAY);
EndDrawing();
//----------------------------------------------------------------------------------
}
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