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REVIEWED: example: `core_input_gestures_testbed`, follow default structure

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Ray 1 month ago
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commit
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1 changed files with 240 additions and 261 deletions
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      examples/core/core_input_gestures_testbed.c

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examples/core/core_input_gestures_testbed.c View File

@ -19,56 +19,14 @@
#include <math.h> // Required for the protractor angle graphic drawing
#if defined(PLATFORM_WEB)
#include <emscripten/emscripten.h> // 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
@ -77,261 +35,282 @@ int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
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();
}
#endif
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
static void UpdateDrawFrame(void)
{
// 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))
// 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 (logMode)
if (CheckCollisionPointRec(GetMousePosition(), logButton1))
{
case 3: logMode=2; break;
case 2: logMode=3; break;
case 1: logMode=0; break;
default: logMode=1; break;
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)
else if (CheckCollisionPointRec(GetMousePosition(), logButton2))
{
case 3: logMode=1; break;
case 2: logMode=0; break;
case 1: logMode=3; break;
default: logMode=2; break;
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
int fillLog = 0; // Gate variable to be used to allow or not the gesture log to be filled
if (currentGesture !=0)
{
if (currentGesture != previousGesture) fillLog = 1;
}
else // 0 shows repeated events
{
fillLog = 1;
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));
}
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--;
// 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;
}
// Copy the gesture respective name to the gesture log array
TextCopy(gestureLog[gestureLogIndex], GetGestureName(currentGesture));
}
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 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
// 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();
}
//--------------------------------------------------------------------------------------
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 };
// 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
// Handle touch and mouse pointer points
Vector2 touchPosition[MAX_TOUCH_COUNT] = { 0 };
Vector2 mousePosition = { 0 };
if (currentGesture != GESTURE_NONE)
{
if ( touchCount != 0 )
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);
for (i = 0; i < touchCount; i++) touchPosition[i] = GetTouchPosition(i); // Fill the touch positions
}
else
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)
{
DrawCircleV(mousePosition, 35.0f, Fade(gestureColor, 0.5f));
DrawCircleV(mousePosition, 5.0f, gestureColor);
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();
EndDrawing();
//--------------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
static char const *GetGestureName(int i)
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
// Get text string for gesture value
static char const *GetGestureName(int gesture)
{
switch (i)
switch (gesture)
{
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;
}
}

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