Sketchio presentation - Mirroring lines

gistfile1.matlab

-(void) mirroringX1:(float)x1 y1:(float)y1 x2:(float)x2 y2:(float)y2{
    
    float mirrorNumber = totalLines;
    float deltaAngle = 360 / mirrorNumber;
    float deltaAngleRadian = [self degreesToRadian:deltaAngle];
    
    float centerX = self.frame.size.width / 2;
    float centerY = self.frame.size.height / 2;
    
    float distance1 = [self distX1:x1 y1:y1 x2:centerX y2:centerY];
    float distance2 = [self distX1:x2 y1:y2 x2:centerX y2:centerY];
    
    float deltaY1 = y1-centerY;
    float deltaX1 = x1-centerX;
    
    float deltaY2 = y2-centerY;
    float deltaX2 = x2-centerX;
    
    float angle1 = atan2(deltaY1, deltaX1);
    float angle2 = atan2(deltaY2, deltaX2);
    
    for(int i = 0; i < mirrorNumber;i++){
        float newX1 = centerX + distance1 * sin(angle1 + (i * deltaAngleRadian));
        float newY1 = centerY - distance1 * cos(angle1 + (i * deltaAngleRadian));
        float newX2 = centerX + distance2 * sin(angle2 + (i * deltaAngleRadian));
        float newY2 = centerY - distance2 * cos(angle2 + (i * deltaAngleRadian));
        [self lineX1:newX1 y1:newY1 x2:newX2 y2:newY2];
    }
}