Function drawLine

src/engineDraw.js:584–593

Draw colored line between two points * @param {Vector2} posA * @param {Vector2} posB * @param {number} [width] * @param {Color} [color=WHITE] * @param {Vector2} [pos=vec2()] - Offset to apply * @param {number} [angle] - Angle to rotate by * @param {boolean} [useWebGL=glEnable] *

(posA, posB, width=.1, color=WHITE, pos=vec2(), angle=0, useWebGL=glEnable, screenSpace=false, context)

 *  @param {CanvasRenderingContext2D|OffscreenCanvasRenderingContext2D} [context]
 *  @memberof Draw */
function drawLine(posA, posB, width=.1, color=WHITE, pos=vec2(), angle=0, useWebGL=glEnable, screenSpace=false, context)
{
    const halfDelta = vec2((posB.x - posA.x)/2, (posB.y - posA.y)/2);
    const size = vec2(width, halfDelta.length()*2);
    pos = pos.add(posA.add(halfDelta));
    if (screenSpace)
        halfDelta.y *= -1;  // flip angle Y if screen space
    angle += halfDelta.angle();
    drawRect(pos, size, color, angle, useWebGL, screenSpace, context);
}

/** Draw colored regular polygon using passed in number of sides
 *  @param {Vector2} pos