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Reviewed C compilation issues and formatting

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This commit is contained in:
Ray 2023-07-16 13:24:49 +02:00
parent 70286c7cdc
commit 86f95d7150
1 changed files with 66 additions and 58 deletions
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48
examples/core/core_input_gestures_web.c
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@ -14,6 +14,7 @@
********************************************************************************************/
#include "raylib.h"
#include "math.h" // Required for the protractor angle graphic drawing
#if defined(PLATFORM_WEB)
@ -26,7 +27,7 @@
// Common variables definitions
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenWidth = 800; // Update depending on web canvas
const int screenHeight = 450;
Vector2 messagePosition = { 160, 7 };
@ -41,6 +42,7 @@ Vector2 lastGesturePosition = {165, 130};
char gestureLog[GESTURE_LOG_SIZE][12] = { "" }; // The gesture log uses an array (as an inverted circular queue) to store the performed gestures
int gestureLogIndex = GESTURE_LOG_SIZE; // The index for the inverted circular queue (moving from last to first direction, then looping around)
int previousGesture = 0;
char const *GetGestureName(int i)
{
switch (i) {
@ -58,6 +60,7 @@ char const *GetGestureName(int i)
default: return "Unknown"; break;
}
}
Color GetGestureColor(int i)
{
switch (i) {
@ -75,8 +78,10 @@ Color GetGestureColor(int i)
default: return BLACK; break;
}
}
Color gestureColor = BLACK;
int logMode = 1; // 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
Color gestureColor = { 0, 0, 0, 255 };
Rectangle logButton1 = { 53, 7, 48, 26 };
Rectangle logButton2 = { 108, 7, 36, 26 };
Vector2 gestureLogPosition = { 10, 10 };
@ -103,7 +108,7 @@ void Update(void)
// Handle last gesture
//--------------------------------------------------------------------------------------
if ( currentGesture != 0 && currentGesture != 4 && currentGesture != previousGesture ) lastGesture = currentGesture; // Filter the meaningful gestures (1, 2, 8 to 512) for the display
if ((currentGesture != 0) && (currentGesture != 4) && (currentGesture != previousGesture)) lastGesture = currentGesture; // Filter the meaningful gestures (1, 2, 8 to 512) for the display
// Handle gesture log
//--------------------------------------------------------------------------------------
@ -130,12 +135,13 @@ void Update(void)
}
}
}
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;
if (((currentGesture != 4) && (currentGesture != previousGesture)) || (currentGesture < 3)) fillLog = 1;
}
else if (logMode == 2) // 2 shows repeated events but hide hold events
{
@ -150,13 +156,16 @@ void Update(void)
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--;
TextCopy( gestureLog[gestureLogIndex], GetGestureName(currentGesture) ); // Copy the gesture respective name to the gesture log array
// Copy the gesture respective name to the gesture log array
TextCopy(gestureLog[gestureLogIndex], GetGestureName(currentGesture));
}
// Handle protractor
@ -173,12 +182,15 @@ void Update(void)
{
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[touchCount];
#define MAX_TOUCH_COUNT 32
Vector2 touchPosition[MAX_TOUCH_COUNT] = { 0 };
Vector2 mousePosition = {0, 0};
if (currentGesture != GESTURE_NONE)
{
@ -186,15 +198,13 @@ void Update(void)
{
for (i = 0; i < touchCount; i++) touchPosition[i] = GetTouchPosition(i); // Fill the touch positions
}
else
{
mousePosition = GetMousePosition();
}
else mousePosition = GetMousePosition();
}
// Draw
//--------------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
// Draw common
@ -225,6 +235,7 @@ void Update(void)
// 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;
@ -275,7 +286,8 @@ void Update(void)
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);
if (touchCount == 2) DrawLineEx(touchPosition[0], touchPosition[1], ((currentGesture == 512)? 8 : 12), gestureColor);
}
else
{
@ -297,15 +309,11 @@ int main(void)
// Initialization
//--------------------------------------------------------------------------------------
#if defined( PLATFORM_WEB )
const int canvasWidth = EM_ASM_INT( return document.getElementById('canvas').getBoundingClientRect().width; ); // Using Emscripten EM_ASM_INT macro, get the page canvas width
if (canvasWidth > 400)
{
screenWidth = canvasWidth;
}
else
{
screenWidth = 400; // Set a minimum width for the screen
}
// Using Emscripten EM_ASM_INT macro, get the page canvas width
const int canvasWidth = EM_ASM_INT( return document.getElementById('canvas').getBoundingClientRect().width; );
if (canvasWidth > 400) screenWidth = canvasWidth;
else screenWidth = 400; // Set a minimum width for the screen
#endif
InitWindow(screenWidth, screenHeight, "raylib [core] example - input gestures web");