diff --git a/src/textures.c b/src/textures.c index 803c29a31..e906980bf 100644 --- a/src/textures.c +++ b/src/textures.c @@ -2416,19 +2416,19 @@ void ImageDrawPixelV(Image *dst, Vector2 position, Color color) } // Draw line within an image -void ImageDrawLine (Image *dst, int startPosX, int startPosY, int endPosX, int endPosY, Color color){ +void ImageDrawLine(Image *dst, int startPosX, int startPosY, int endPosX, int endPosY, Color color) +{ // Using Bresenham's algorithm as described in // Drawing Lines with Pixels - Joshua Scott - March 2012 // https://classic.csunplugged.org/wp-content/uploads/2014/12/Lines.pdf - int changeInX = (endPosX - startPosX); - int abs_changeInX = changeInX < 0 ? -changeInX : changeInX; - int changeInY = (endPosY - startPosY); - int abs_changeInY = changeInY < 0 ? -changeInY : changeInY; + int changeInX = (endPosX - startPosX); + int abs_changeInX = (changeInX < 0)? -changeInX : changeInX; + int changeInY = (endPosY - startPosY); + int abs_changeInY = (changeInY < 0)? -changeInY : changeInY; int startU, startV, endU, V_step; // Substitutions, either U = X, V = Y or vice versa. See loop at end of function - //int endV; // We never need this, i didn't just forget about it! :D - // For understanding I left it in below, too. + //int endV; // This is not needed, but to aid understanding it is left in the code below. int A, B, P; // See linked paper above. Explained down in the main loop. @@ -2436,59 +2436,59 @@ void ImageDrawLine (Image *dst, int startPosX, int startPosY, int endPosX, int e if (is_x_y_reversed) { - A = 2* abs_changeInY; - B = A - 2* abs_changeInX; - P = A - abs_changeInX; + A = 2*abs_changeInY; + B = A - 2*abs_changeInX; + P = A - abs_changeInX; if (changeInX > 0) { startU = startPosX; startV = startPosY; - endU = endPosX; - //endV = endPosY; + endU = endPosX; + //endV = endPosY; } else { - startU = endPosX; - startV = endPosY; - endU = startPosX; - //endV = startPosY; + startU = endPosX; + startV = endPosY; + endU = startPosX; + //endV = startPosY; // since start and end are reversed: changeInX = -changeInX; changeInY = -changeInY; } - V_step = changeInY < 0 ? -1 : 1; + V_step = (changeInY < 0)? -1 : 1; ImageDrawPixel(dst, startU, startV, color); // At this point they are correctly ordered... } else // all X and Y are reversed in here: { - A = 2* abs_changeInX; - B = A - 2* abs_changeInY; - P = A - abs_changeInY; + A = 2*abs_changeInX; + B = A - 2*abs_changeInY; + P = A - abs_changeInY; if (changeInY > 0) { startU = startPosY; startV = startPosX; - endU = endPosY; - //endV = endPosX; + endU = endPosY; + //endV = endPosX; } else { - startU = endPosY; - startV = endPosX; - endU = startPosY; - //endV = startPosX; + startU = endPosY; + startV = endPosX; + endU = startPosY; + //endV = startPosX; // since start and end are reversed: changeInX = -changeInX; changeInY = -changeInY; } - V_step = changeInX < 0 ? -1 : 1; + V_step = (changeInX < 0)? -1 : 1; ImageDrawPixel(dst, startV, startU, color); // ... but need to be reversed here. Repeated in the main loop below. }