// Constants

// Cooordinates
X=0;
Y=1;
Z=2;

// Offset
OFFSET=0.01; 


/*
 * Handle for bézier point
 * 
 * @param point     - Point to manage
 * @param angle     - Angle starting as 3h00
 * @param strength  - Handle distance from manage point  
 */
 
function handle(point,angle,strength) = [
    point[0] + polar_to_xy(strength,angle)[0]   ,
    point[1] + polar_to_xy(strength,angle)[1]   
    ]; 




module debugPoint(point, id, color) {
    translate(point) {
        color(color) sphere(r = 1.5);
        
        translate([3, 3, 0.6]) {
            color("white") 
            scale([0.2, 0.2, 1]) 
            linear_extrude(height = 0.1) 
            text(str(id), size = 20, halign = "center", valign = "center");
        }
    }
}