From c9b1f2ce54e41c5daa72a5c867fcdd4ac1615a0c Mon Sep 17 00:00:00 2001 From: Ray Date: Sun, 14 Sep 2025 10:04:24 +0200 Subject: [PATCH] REVIEWED: example: `core_input_gestures_testbed`, follow default structure --- examples/core/core_input_gestures_testbed.c | 525 ++++++++++---------- 1 file changed, 252 insertions(+), 273 deletions(-) diff --git a/examples/core/core_input_gestures_testbed.c b/examples/core/core_input_gestures_testbed.c index 6cea3b03e..07b2ceece 100644 --- a/examples/core/core_input_gestures_testbed.c +++ b/examples/core/core_input_gestures_testbed.c @@ -19,56 +19,14 @@ #include // Required for the protractor angle graphic drawing -#if defined(PLATFORM_WEB) - #include // Required for the Web/HTML5 -#endif - #define GESTURE_LOG_SIZE 20 #define MAX_TOUCH_COUNT 32 -//-------------------------------------------------------------------------------------- -// Global Variables Definition -//-------------------------------------------------------------------------------------- -static int screenWidth = 800; // Update depending on web canvas -static const int screenHeight = 450; -static Vector2 messagePosition = { 160, 7 }; - -// Last gesture variables definitions -static int lastGesture = 0; -static Vector2 lastGesturePosition = { 165, 130 }; - -// Gesture log variables definitions -// NOTE: The gesture log uses an array (as an inverted circular queue) to store the performed gestures -static char gestureLog[GESTURE_LOG_SIZE][12] = { "" }; -// NOTE: The index for the inverted circular queue (moving from last to first direction, then looping around) -static int gestureLogIndex = GESTURE_LOG_SIZE; -static int previousGesture = 0; - -// Log mode values: -// - 0 shows repeated events -// - 1 hides repeated events -// - 2 shows repeated events but hide hold events -// - 3 hides repeated events and hide hold events -static int logMode = 1; - -static Color gestureColor = { 0, 0, 0, 255 }; -static Rectangle logButton1 = { 53, 7, 48, 26 }; -static Rectangle logButton2 = { 108, 7, 36, 26 }; -static Vector2 gestureLogPosition = { 10, 10 }; - -// Protractor variables definitions -static float angleLength = 90.0f; -static float currentAngleDegrees = 0.0f; -static Vector2 finalVector = { 0.0f, 0.0f }; -static char currentAngleStr[7] = ""; -static Vector2 protractorPosition = { 266.0f, 315.0f }; - //---------------------------------------------------------------------------------- // Module Functions Declaration //---------------------------------------------------------------------------------- -static void UpdateDrawFrame(void); // Update and Draw one frame -static char const *GetGestureName(int i); -static Color GetGestureColor(int i); +static char const *GetGestureName(int gesture); // Get text string for gesture value +static Color GetGestureColor(int gesture); // Get color for gesture value //------------------------------------------------------------------------------------ // Program main entry point @@ -77,20 +35,234 @@ int main(void) { // Initialization //-------------------------------------------------------------------------------------- - InitWindow(screenWidth, screenHeight, "raylib [core] example - input gestures testbed"); + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [core] example - input gestures testbed"); + + Vector2 messagePosition = { 160, 7 }; + + // Last gesture variables definitions + int lastGesture = 0; + Vector2 lastGesturePosition = { 165, 130 }; + + // Gesture log variables definitions + // NOTE: The gesture log uses an array (as an inverted circular queue) to store the performed gestures + char gestureLog[GESTURE_LOG_SIZE][12] = { "" }; + // NOTE: The index for the inverted circular queue (moving from last to first direction, then looping around) + int gestureLogIndex = GESTURE_LOG_SIZE; + int previousGesture = 0; + + // Log mode values: + // - 0 shows repeated events + // - 1 hides repeated events + // - 2 shows repeated events but hide hold events + // - 3 hides repeated events and hide hold events + int logMode = 1; + + Color gestureColor = { 0, 0, 0, 255 }; + Rectangle logButton1 = { 53, 7, 48, 26 }; + Rectangle logButton2 = { 108, 7, 36, 26 }; + Vector2 gestureLogPosition = { 10, 10 }; + + // Protractor variables definitions + float angleLength = 90.0f; + float currentAngleDegrees = 0.0f; + Vector2 finalVector = { 0.0f, 0.0f }; + char currentAngleStr[7] = ""; + Vector2 protractorPosition = { 266.0f, 315.0f }; -#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(); + // Update + //-------------------------------------------------------------------------------------- + // Handle common gestures data + int i, ii; // Iterators that will be reused by all for loops + const int currentGesture = GetGestureDetected(); + const float currentDragDegrees = GetGestureDragAngle(); + const float currentPitchDegrees = GetGesturePinchAngle(); + const int touchCount = GetTouchPointCount(); + + // Handle last gesture + if ((currentGesture != 0) && (currentGesture != 4) && (currentGesture != previousGesture)) + lastGesture = currentGesture; // Filter the meaningful gestures (1, 2, 8 to 512) for the display + + // Handle gesture log + if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) + { + if (CheckCollisionPointRec(GetMousePosition(), logButton1)) + { + switch (logMode) + { + case 3: logMode = 2; break; + case 2: logMode = 3; break; + case 1: logMode = 0; break; + default: logMode = 1; break; + } + } + else if (CheckCollisionPointRec(GetMousePosition(), logButton2)) + { + switch (logMode) + { + case 3: logMode = 1; break; + case 2: logMode = 0; break; + case 1: logMode = 3; break; + default: logMode = 2; break; + } + } + } + + int fillLog = 0; // Gate variable to be used to allow or not the gesture log to be filled + if (currentGesture !=0) + { + if (logMode == 3) // 3 hides repeated events and hide hold events + { + if (((currentGesture != 4) && (currentGesture != previousGesture)) || (currentGesture < 3)) fillLog = 1; + } + else if (logMode == 2) // 2 shows repeated events but hide hold events + { + if (currentGesture != 4) fillLog = 1; + } + else if (logMode == 1) // 1 hides repeated events + { + if (currentGesture != previousGesture) fillLog = 1; + } + else // 0 shows repeated events + { + fillLog = 1; + } + } + + if (fillLog) // If one of the conditions from logMode was met, fill the gesture log + { + previousGesture = currentGesture; + gestureColor = GetGestureColor(currentGesture); + if (gestureLogIndex <= 0) gestureLogIndex = GESTURE_LOG_SIZE; + gestureLogIndex--; + + // Copy the gesture respective name to the gesture log array + TextCopy(gestureLog[gestureLogIndex], GetGestureName(currentGesture)); + } + + // Handle protractor + if (currentGesture > 255) currentAngleDegrees = currentPitchDegrees; // Pinch In and Pinch Out + else if (currentGesture > 15) currentAngleDegrees = currentDragDegrees; // Swipe Right, Swipe Left, Swipe Up and Swipe Down + else if (currentGesture > 0) currentAngleDegrees = 0.0f; // Tap, Doubletap, Hold and Grab + + float currentAngleRadians = ((currentAngleDegrees + 90.0f)*PI/180); // Convert the current angle to Radians + // Calculate the final vector for display + finalVector = (Vector2){ (angleLength*sinf(currentAngleRadians)) + protractorPosition.x, + (angleLength*cosf(currentAngleRadians)) + protractorPosition.y }; + + // Handle touch and mouse pointer points + Vector2 touchPosition[MAX_TOUCH_COUNT] = { 0 }; + Vector2 mousePosition = { 0 }; + if (currentGesture != GESTURE_NONE) + { + if (touchCount != 0) + { + for (i = 0; i < touchCount; i++) touchPosition[i] = GetTouchPosition(i); // Fill the touch positions + } + else mousePosition = GetMousePosition(); + } + //-------------------------------------------------------------------------------------- + + // Draw + //-------------------------------------------------------------------------------------- + BeginDrawing(); + ClearBackground(RAYWHITE); + + // Draw common elements + DrawText("*", messagePosition.x + 5, messagePosition.y + 5, 10, BLACK); + DrawText("Example optimized for Web/HTML5\non Smartphones with Touch Screen.", messagePosition.x + 15, messagePosition.y + 5, 10, BLACK); + DrawText("*", messagePosition.x + 5, messagePosition.y + 35, 10, BLACK); + DrawText("While running on Desktop Web Browsers,\ninspect and turn on Touch Emulation.", messagePosition.x + 15, messagePosition.y + 35, 10, BLACK); + + // Draw last gesture + DrawText("Last gesture", lastGesturePosition.x + 33, lastGesturePosition.y - 47, 20, BLACK); + DrawText("Swipe Tap Pinch Touch", lastGesturePosition.x + 17, lastGesturePosition.y - 18, 10, BLACK); + DrawRectangle(lastGesturePosition.x + 20, lastGesturePosition.y, 20, 20, lastGesture == GESTURE_SWIPE_UP ? RED : LIGHTGRAY); + DrawRectangle(lastGesturePosition.x, lastGesturePosition.y + 20, 20, 20, lastGesture == GESTURE_SWIPE_LEFT ? RED : LIGHTGRAY); + DrawRectangle(lastGesturePosition.x + 40, lastGesturePosition.y + 20, 20, 20, lastGesture == GESTURE_SWIPE_RIGHT ? RED : LIGHTGRAY); + DrawRectangle(lastGesturePosition.x + 20, lastGesturePosition.y + 40, 20, 20, lastGesture == GESTURE_SWIPE_DOWN ? RED : LIGHTGRAY); + DrawCircle(lastGesturePosition.x + 80, lastGesturePosition.y + 16, 10, lastGesture == GESTURE_TAP ? BLUE : LIGHTGRAY); + DrawRing( (Vector2){lastGesturePosition.x + 103, lastGesturePosition.y + 16}, 6.0f, 11.0f, 0.0f, 360.0f, 0, lastGesture == GESTURE_DRAG ? LIME : LIGHTGRAY); + DrawCircle(lastGesturePosition.x + 80, lastGesturePosition.y + 43, 10, lastGesture == GESTURE_DOUBLETAP ? SKYBLUE : LIGHTGRAY); + DrawCircle(lastGesturePosition.x + 103, lastGesturePosition.y + 43, 10, lastGesture == GESTURE_DOUBLETAP ? SKYBLUE : LIGHTGRAY); + DrawTriangle((Vector2){ lastGesturePosition.x + 122, lastGesturePosition.y + 16 }, (Vector2){ lastGesturePosition.x + 137, lastGesturePosition.y + 26 }, (Vector2){ lastGesturePosition.x + 137, lastGesturePosition.y + 6 }, lastGesture == GESTURE_PINCH_OUT? ORANGE : LIGHTGRAY); + DrawTriangle((Vector2){ lastGesturePosition.x + 147, lastGesturePosition.y + 6 }, (Vector2){ lastGesturePosition.x + 147, lastGesturePosition.y + 26 }, (Vector2){ lastGesturePosition.x + 162, lastGesturePosition.y + 16 }, lastGesture == GESTURE_PINCH_OUT? ORANGE : LIGHTGRAY); + DrawTriangle((Vector2){ lastGesturePosition.x + 125, lastGesturePosition.y + 33 }, (Vector2){ lastGesturePosition.x + 125, lastGesturePosition.y + 53 }, (Vector2){ lastGesturePosition.x + 140, lastGesturePosition.y + 43 }, lastGesture == GESTURE_PINCH_IN? VIOLET : LIGHTGRAY); + DrawTriangle((Vector2){ lastGesturePosition.x + 144, lastGesturePosition.y + 43 }, (Vector2){ lastGesturePosition.x + 159, lastGesturePosition.y + 53 }, (Vector2){ lastGesturePosition.x + 159, lastGesturePosition.y + 33 }, lastGesture == GESTURE_PINCH_IN? VIOLET : LIGHTGRAY); + for (i = 0; i < 4; i++) DrawCircle(lastGesturePosition.x + 180, lastGesturePosition.y + 7 + i*15, 5, touchCount <= i? LIGHTGRAY : gestureColor); + + // Draw gesture log + DrawText("Log", gestureLogPosition.x, gestureLogPosition.y, 20, BLACK); + + // Loop in both directions to print the gesture log array in the inverted order (and looping around if the index started somewhere in the middle) + for (i = 0, ii = gestureLogIndex; i < GESTURE_LOG_SIZE; i++, ii = (ii + 1) % GESTURE_LOG_SIZE) DrawText(gestureLog[ii], gestureLogPosition.x, gestureLogPosition.y + 410 - i*20, 20, (i == 0 ? gestureColor : LIGHTGRAY)); + Color logButton1Color, logButton2Color; + switch (logMode) + { + case 3: logButton1Color=MAROON; logButton2Color=MAROON; break; + case 2: logButton1Color=GRAY; logButton2Color=MAROON; break; + case 1: logButton1Color=MAROON; logButton2Color=GRAY; break; + default: logButton1Color=GRAY; logButton2Color=GRAY; break; + } + DrawRectangleRec(logButton1, logButton1Color); + DrawText("Hide", logButton1.x + 7, logButton1.y + 3, 10, WHITE); + DrawText("Repeat", logButton1.x + 7, logButton1.y + 13, 10, WHITE); + DrawRectangleRec(logButton2, logButton2Color); + DrawText("Hide", logButton1.x + 62, logButton1.y + 3, 10, WHITE); + DrawText("Hold", logButton1.x + 62, logButton1.y + 13, 10, WHITE); + + // Draw protractor + DrawText("Angle", protractorPosition.x + 55, protractorPosition.y + 76, 10, BLACK); + const char *angleString = TextFormat("%f", currentAngleDegrees); + const int angleStringDot = TextFindIndex(angleString, "."); + const char *angleStringTrim = TextSubtext(angleString, 0, angleStringDot + 3); + DrawText( angleStringTrim, protractorPosition.x + 55, protractorPosition.y + 92, 20, gestureColor); + DrawCircle(protractorPosition.x, protractorPosition.y, 80.0f, WHITE); + DrawLineEx((Vector2){ protractorPosition.x - 90, protractorPosition.y }, (Vector2){ protractorPosition.x + 90, protractorPosition.y }, 3.0f, LIGHTGRAY); + DrawLineEx((Vector2){ protractorPosition.x, protractorPosition.y - 90 }, (Vector2){ protractorPosition.x, protractorPosition.y + 90 }, 3.0f, LIGHTGRAY); + DrawLineEx((Vector2){ protractorPosition.x - 80, protractorPosition.y - 45 }, (Vector2){ protractorPosition.x + 80, protractorPosition.y + 45 }, 3.0f, GREEN); + DrawLineEx((Vector2){ protractorPosition.x - 80, protractorPosition.y + 45 }, (Vector2){ protractorPosition.x + 80, protractorPosition.y - 45 }, 3.0f, GREEN); + DrawText("0", protractorPosition.x + 96, protractorPosition.y - 9, 20, BLACK); + DrawText("30", protractorPosition.x + 74, protractorPosition.y - 68, 20, BLACK); + DrawText("90", protractorPosition.x - 11, protractorPosition.y - 110, 20, BLACK); + DrawText("150", protractorPosition.x - 100, protractorPosition.y - 68, 20, BLACK); + DrawText("180", protractorPosition.x - 124, protractorPosition.y - 9, 20, BLACK); + DrawText("210", protractorPosition.x - 100, protractorPosition.y + 50, 20, BLACK); + DrawText("270", protractorPosition.x - 18, protractorPosition.y + 92, 20, BLACK); + DrawText("330", protractorPosition.x + 72, protractorPosition.y + 50, 20, BLACK); + if (currentAngleDegrees != 0.0f) DrawLineEx(protractorPosition, finalVector, 3.0f, gestureColor); + + // Draw touch and mouse pointer points + if (currentGesture != GESTURE_NONE) + { + if ( touchCount != 0 ) + { + for (i = 0; i < touchCount; i++) + { + DrawCircleV(touchPosition[i], 50.0f, Fade(gestureColor, 0.5f)); + DrawCircleV(touchPosition[i], 5.0f, gestureColor); + } + + if (touchCount == 2) DrawLineEx(touchPosition[0], touchPosition[1], ((currentGesture == 512)? 8 : 12), gestureColor); + } + else + { + DrawCircleV(mousePosition, 35.0f, Fade(gestureColor, 0.5f)); + DrawCircleV(mousePosition, 5.0f, gestureColor); + } + } + + EndDrawing(); + //-------------------------------------------------------------------------------------- } -#endif // De-Initialization //-------------------------------------------------------------------------------------- @@ -103,235 +275,42 @@ int main(void) //---------------------------------------------------------------------------------- // Module Functions Definition //---------------------------------------------------------------------------------- -static void UpdateDrawFrame(void) +// Get text string for gesture value +static char const *GetGestureName(int gesture) { - // Update - //-------------------------------------------------------------------------------------- - // Handle common gestures data - int i, ii; // Iterators that will be reused by all for loops - const int currentGesture = GetGestureDetected(); - const float currentDragDegrees = GetGestureDragAngle(); - const float currentPitchDegrees = GetGesturePinchAngle(); - const int touchCount = GetTouchPointCount(); - - // Handle last gesture - if ((currentGesture != 0) && (currentGesture != 4) && (currentGesture != previousGesture)) - lastGesture = currentGesture; // Filter the meaningful gestures (1, 2, 8 to 512) for the display - - // Handle gesture log - if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) + switch (gesture) { - if (CheckCollisionPointRec(GetMousePosition(), logButton1)) - { - switch (logMode) - { - case 3: logMode=2; break; - case 2: logMode=3; break; - case 1: logMode=0; break; - default: logMode=1; break; - } - } - else if (CheckCollisionPointRec(GetMousePosition(), logButton2)) - { - switch (logMode) - { - case 3: logMode=1; break; - case 2: logMode=0; break; - case 1: logMode=3; break; - default: logMode=2; break; - } - } - } - - int fillLog = 0; // Gate variable to be used to allow or not the gesture log to be filled - if (currentGesture !=0) - { - if (logMode == 3) // 3 hides repeated events and hide hold events - { - if (((currentGesture != 4) && (currentGesture != previousGesture)) || (currentGesture < 3)) fillLog = 1; - } - else if (logMode == 2) // 2 shows repeated events but hide hold events - { - if (currentGesture != 4) fillLog = 1; - } - else if (logMode == 1) // 1 hides repeated events - { - if (currentGesture != previousGesture) fillLog = 1; - } - else // 0 shows repeated events - { - fillLog = 1; - } - } - - if (fillLog) // If one of the conditions from logMode was met, fill the gesture log - { - previousGesture = currentGesture; - gestureColor = GetGestureColor(currentGesture); - if (gestureLogIndex <= 0) gestureLogIndex = GESTURE_LOG_SIZE; - gestureLogIndex--; - - // Copy the gesture respective name to the gesture log array - TextCopy(gestureLog[gestureLogIndex], GetGestureName(currentGesture)); - } - - // Handle protractor - if (currentGesture > 255) // aka Pinch In and Pinch Out - { - currentAngleDegrees = currentPitchDegrees; - } - else if (currentGesture > 15) // aka Swipe Right, Swipe Left, Swipe Up and Swipe Down - { - currentAngleDegrees = currentDragDegrees; - } - else if (currentGesture > 0) // aka Tap, Doubletap, Hold and Grab - { - currentAngleDegrees = 0.0f; - } - - float currentAngleRadians = ((currentAngleDegrees +90.0f)*PI/180); // Convert the current angle to Radians - finalVector = (Vector2){ (angleLength*sinf(currentAngleRadians)) + protractorPosition.x, (angleLength*cosf(currentAngleRadians)) + protractorPosition.y }; // Calculate the final vector for display - - // Handle touch and mouse pointer points - Vector2 touchPosition[MAX_TOUCH_COUNT] = { 0 }; - Vector2 mousePosition = {0, 0}; - if (currentGesture != GESTURE_NONE) - { - if (touchCount != 0) - { - for (i = 0; i < touchCount; i++) touchPosition[i] = GetTouchPosition(i); // Fill the touch positions - } - else mousePosition = GetMousePosition(); - } - //-------------------------------------------------------------------------------------- - - // Draw - //-------------------------------------------------------------------------------------- - BeginDrawing(); - ClearBackground(RAYWHITE); - - // Draw common elements - DrawText("*", messagePosition.x + 5, messagePosition.y + 5, 10, BLACK); - DrawText("Example optimized for Web/HTML5\non Smartphones with Touch Screen.", messagePosition.x + 15, messagePosition.y + 5, 10, BLACK); - DrawText("*", messagePosition.x + 5, messagePosition.y + 35, 10, BLACK); - DrawText("While running on Desktop Web Browsers,\ninspect and turn on Touch Emulation.", messagePosition.x + 15, messagePosition.y + 35, 10, BLACK); - - // Draw last gesture - DrawText("Last gesture", lastGesturePosition.x + 33, lastGesturePosition.y - 47, 20, BLACK); - DrawText("Swipe Tap Pinch Touch", lastGesturePosition.x + 17, lastGesturePosition.y - 18, 10, BLACK); - DrawRectangle(lastGesturePosition.x + 20, lastGesturePosition.y, 20, 20, lastGesture == GESTURE_SWIPE_UP ? RED : LIGHTGRAY); - DrawRectangle(lastGesturePosition.x, lastGesturePosition.y + 20, 20, 20, lastGesture == GESTURE_SWIPE_LEFT ? RED : LIGHTGRAY); - DrawRectangle(lastGesturePosition.x + 40, lastGesturePosition.y + 20, 20, 20, lastGesture == GESTURE_SWIPE_RIGHT ? RED : LIGHTGRAY); - DrawRectangle(lastGesturePosition.x + 20, lastGesturePosition.y + 40, 20, 20, lastGesture == GESTURE_SWIPE_DOWN ? RED : LIGHTGRAY); - DrawCircle(lastGesturePosition.x + 80, lastGesturePosition.y + 16, 10, lastGesture == GESTURE_TAP ? BLUE : LIGHTGRAY); - DrawRing( (Vector2){lastGesturePosition.x + 103, lastGesturePosition.y + 16}, 6.0f, 11.0f, 0.0f, 360.0f, 0, lastGesture == GESTURE_DRAG ? LIME : LIGHTGRAY); - DrawCircle(lastGesturePosition.x + 80, lastGesturePosition.y + 43, 10, lastGesture == GESTURE_DOUBLETAP ? SKYBLUE : LIGHTGRAY); - DrawCircle(lastGesturePosition.x + 103, lastGesturePosition.y + 43, 10, lastGesture == GESTURE_DOUBLETAP ? SKYBLUE : LIGHTGRAY); - DrawTriangle((Vector2){ lastGesturePosition.x + 122, lastGesturePosition.y + 16 }, (Vector2){ lastGesturePosition.x + 137, lastGesturePosition.y + 26 }, (Vector2){ lastGesturePosition.x + 137, lastGesturePosition.y + 6 }, lastGesture == GESTURE_PINCH_OUT? ORANGE : LIGHTGRAY); - DrawTriangle((Vector2){ lastGesturePosition.x + 147, lastGesturePosition.y + 6 }, (Vector2){ lastGesturePosition.x + 147, lastGesturePosition.y + 26 }, (Vector2){ lastGesturePosition.x + 162, lastGesturePosition.y + 16 }, lastGesture == GESTURE_PINCH_OUT? ORANGE : LIGHTGRAY); - DrawTriangle((Vector2){ lastGesturePosition.x + 125, lastGesturePosition.y + 33 }, (Vector2){ lastGesturePosition.x + 125, lastGesturePosition.y + 53 }, (Vector2){ lastGesturePosition.x + 140, lastGesturePosition.y + 43 }, lastGesture == GESTURE_PINCH_IN? VIOLET : LIGHTGRAY); - DrawTriangle((Vector2){ lastGesturePosition.x + 144, lastGesturePosition.y + 43 }, (Vector2){ lastGesturePosition.x + 159, lastGesturePosition.y + 53 }, (Vector2){ lastGesturePosition.x + 159, lastGesturePosition.y + 33 }, lastGesture == GESTURE_PINCH_IN? VIOLET : LIGHTGRAY); - for (i = 0; i < 4; i++) DrawCircle(lastGesturePosition.x + 180, lastGesturePosition.y + 7 + i*15, 5, touchCount <= i? LIGHTGRAY : gestureColor); - - // Draw gesture log - DrawText("Log", gestureLogPosition.x, gestureLogPosition.y, 20, BLACK); - - // Loop in both directions to print the gesture log array in the inverted order (and looping around if the index started somewhere in the middle) - for (i = 0, ii = gestureLogIndex; i < GESTURE_LOG_SIZE; i++, ii = (ii + 1) % GESTURE_LOG_SIZE) DrawText(gestureLog[ii], gestureLogPosition.x, gestureLogPosition.y + 410 - i*20, 20, (i == 0 ? gestureColor : LIGHTGRAY)); - Color logButton1Color, logButton2Color; - switch (logMode) - { - case 3: logButton1Color=MAROON; logButton2Color=MAROON; break; - case 2: logButton1Color=GRAY; logButton2Color=MAROON; break; - case 1: logButton1Color=MAROON; logButton2Color=GRAY; break; - default: logButton1Color=GRAY; logButton2Color=GRAY; break; - } - DrawRectangleRec(logButton1, logButton1Color); - DrawText("Hide", logButton1.x + 7, logButton1.y + 3, 10, WHITE); - DrawText("Repeat", logButton1.x + 7, logButton1.y + 13, 10, WHITE); - DrawRectangleRec(logButton2, logButton2Color); - DrawText("Hide", logButton1.x + 62, logButton1.y + 3, 10, WHITE); - DrawText("Hold", logButton1.x + 62, logButton1.y + 13, 10, WHITE); - - // Draw protractor - DrawText("Angle", protractorPosition.x + 55, protractorPosition.y + 76, 10, BLACK); - const char *angleString = TextFormat("%f", currentAngleDegrees); - const int angleStringDot = TextFindIndex(angleString, "."); - const char *angleStringTrim = TextSubtext(angleString, 0, angleStringDot + 3); - DrawText( angleStringTrim, protractorPosition.x + 55, protractorPosition.y + 92, 20, gestureColor); - DrawCircle(protractorPosition.x, protractorPosition.y, 80.0f, WHITE); - DrawLineEx((Vector2){ protractorPosition.x - 90, protractorPosition.y }, (Vector2){ protractorPosition.x + 90, protractorPosition.y }, 3.0f, LIGHTGRAY); - DrawLineEx((Vector2){ protractorPosition.x, protractorPosition.y - 90 }, (Vector2){ protractorPosition.x, protractorPosition.y + 90 }, 3.0f, LIGHTGRAY); - DrawLineEx((Vector2){ protractorPosition.x - 80, protractorPosition.y - 45 }, (Vector2){ protractorPosition.x + 80, protractorPosition.y + 45 }, 3.0f, GREEN); - DrawLineEx((Vector2){ protractorPosition.x - 80, protractorPosition.y + 45 }, (Vector2){ protractorPosition.x + 80, protractorPosition.y - 45 }, 3.0f, GREEN); - DrawText("0", protractorPosition.x + 96, protractorPosition.y - 9, 20, BLACK); - DrawText("30", protractorPosition.x + 74, protractorPosition.y - 68, 20, BLACK); - DrawText("90", protractorPosition.x - 11, protractorPosition.y - 110, 20, BLACK); - DrawText("150", protractorPosition.x - 100, protractorPosition.y - 68, 20, BLACK); - DrawText("180", protractorPosition.x - 124, protractorPosition.y - 9, 20, BLACK); - DrawText("210", protractorPosition.x - 100, protractorPosition.y + 50, 20, BLACK); - DrawText("270", protractorPosition.x - 18, protractorPosition.y + 92, 20, BLACK); - DrawText("330", protractorPosition.x + 72, protractorPosition.y + 50, 20, BLACK); - if (currentAngleDegrees != 0.0f) DrawLineEx(protractorPosition, finalVector, 3.0f, gestureColor); - - // Draw touch and mouse pointer points - if (currentGesture != GESTURE_NONE) - { - if ( touchCount != 0 ) - { - for (i = 0; i < touchCount; i++) - { - DrawCircleV(touchPosition[i], 50.0f, Fade(gestureColor, 0.5f)); - DrawCircleV(touchPosition[i], 5.0f, gestureColor); - } - - if (touchCount == 2) DrawLineEx(touchPosition[0], touchPosition[1], ((currentGesture == 512)? 8 : 12), gestureColor); - } - else - { - DrawCircleV(mousePosition, 35.0f, Fade(gestureColor, 0.5f)); - DrawCircleV(mousePosition, 5.0f, gestureColor); - } - } - - EndDrawing(); - //-------------------------------------------------------------------------------------- -} - -static char const *GetGestureName(int i) -{ - switch (i) - { - case 0: return "None"; break; - case 1: return "Tap"; break; - case 2: return "Double Tap"; break; - case 4: return "Hold"; break; - case 8: return "Drag"; break; - case 16: return "Swipe Right"; break; - case 32: return "Swipe Left"; break; - case 64: return "Swipe Up"; break; - case 128: return "Swipe Down"; break; - case 256: return "Pinch In"; break; - case 512: return "Pinch Out"; break; - default: return "Unknown"; break; + case 0: return "None"; break; + case 1: return "Tap"; break; + case 2: return "Double Tap"; break; + case 4: return "Hold"; break; + case 8: return "Drag"; break; + case 16: return "Swipe Right"; break; + case 32: return "Swipe Left"; break; + case 64: return "Swipe Up"; break; + case 128: return "Swipe Down"; break; + case 256: return "Pinch In"; break; + case 512: return "Pinch Out"; break; + default: return "Unknown"; break; } } -static Color GetGestureColor(int i) +// Get color for gesture value +static Color GetGestureColor(int gesture) { - switch (i) + switch (gesture) { - case 0: return BLACK; break; - case 1: return BLUE; break; - case 2: return SKYBLUE; break; - case 4: return BLACK; break; - case 8: return LIME; break; - case 16: return RED; break; - case 32: return RED; break; - case 64: return RED; break; - case 128: return RED; break; - case 256: return VIOLET; break; - case 512: return ORANGE; break; - default: return BLACK; break; + case 0: return BLACK; break; + case 1: return BLUE; break; + case 2: return SKYBLUE; break; + case 4: return BLACK; break; + case 8: return LIME; break; + case 16: return RED; break; + case 32: return RED; break; + case 64: return RED; break; + case 128: return RED; break; + case 256: return VIOLET; break; + case 512: return ORANGE; break; + default: return BLACK; break; } }