From 210d5ec72bbc4ba426b21f69e6f65b6d75923d05 Mon Sep 17 00:00:00 2001 From: Ray Date: Sat, 18 May 2019 01:27:54 +0200 Subject: Update examples to raylib 2.5 -WIP- Remove old examples --- examples/web/core/core_input_gestures.c | 146 ++++++++++++++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 examples/web/core/core_input_gestures.c (limited to 'examples/web/core/core_input_gestures.c') diff --git a/examples/web/core/core_input_gestures.c b/examples/web/core/core_input_gestures.c new file mode 100644 index 0000000..507fb3b --- /dev/null +++ b/examples/web/core/core_input_gestures.c @@ -0,0 +1,146 @@ +/******************************************************************************************* +* +* raylib [core] example - Input 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 + +#if defined(PLATFORM_WEB) + #include +#endif + +#define MAX_GESTURE_STRINGS 20 + +//---------------------------------------------------------------------------------- +// Global Variables Definition +//---------------------------------------------------------------------------------- +const int screenWidth = 800; +const int screenHeight = 450; + +// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + +Vector2 touchPosition = { 0.0f }; +Rectangle touchArea = { 0 }; + +int gesturesCount = 0; +char gestureStrings[MAX_GESTURE_STRINGS][32]; + +int currentGesture = GESTURE_NONE; +int lastGesture = GESTURE_NONE; + +//---------------------------------------------------------------------------------- +// Module Functions Declaration +//---------------------------------------------------------------------------------- +void UpdateDrawFrame(void); // Update and Draw one frame + +//---------------------------------------------------------------------------------- +// Main Enry Point +//---------------------------------------------------------------------------------- +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + InitWindow(screenWidth, screenHeight, "raylib [core] example - input gestures"); + + touchArea = (Rectangle){ 220, 10, screenWidth - 230, screenHeight - 20 }; + + //SetGesturesEnabled(0b0000000000001001); // Enable only some gestures to be detected + +#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 + //-------------------------------------------------------------------------------------- +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition +//---------------------------------------------------------------------------------- +void UpdateDrawFrame(void) +{ + // 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(); + //---------------------------------------------------------------------------------- +} -- cgit v1.2.3