refactor isogrids random gradient #41

	canvas.Start(width, height)

	fringeSize := width / lines

	distance := distanceTo3rdPoint(fringeSize)

	fringeSize = distance

	lines = width / fringeSize

	for xL := -1; xL <= lines; xL++ {

	for xL := 0; xL < lines; xL++ {

		percentage := int(float64(xL) / float64(lines) * 100)

		for yL := -1; yL <= lines; yL++ {

			var x1, x2, x3, y1, y2, y3 int

		for yL := 0; yL < lines; yL++ {

			var x1, x2, y1, y2, y3 int

			if (xL % 2) == 0 {

				x1 = (xL) * fringeSize

				x2 = (xL + 1) * fringeSize

				x3 = x1

				y1 = yL * fringeSize

				y2 = y1 + fringeSize/2

				y3 = (yL + 1) * fringeSize

				x1, y1, x2, y2, _, y3 = right1stTriangle(xL, yL, fringeSize, distance)

			} else {

				x1 = (xL + 1) * fringeSize

				x2 = xL * fringeSize

				x3 = x1

				y1 = yL * fringeSize

				y2 = y1 + fringeSize/2

				y3 = (yL + 1) * fringeSize

				x1, y1, x2, y2, _, y3 = left1stTriangle(xL, yL, fringeSize, distance)

			}

			xs := []int{x1, x2, x3}

			xs := []int{x2, x1, x2}

			ys := []int{y1, y2, y3}

			canvas.Polygon(xs, ys, draw.FillFromRGBA(draw.ColorByPercentage(colors, percentage)))

			var x11, x12, x13, y11, y12, y13 int

			var x11, x12, y11, y12, y13 int

			if (xL % 2) == 0 {

				x11 = (xL + 1) * fringeSize

				x12 = (xL) * fringeSize

				x13 = x11

				y11 = yL*fringeSize + fringeSize/2

				y12 = y11 + fringeSize/2

				y13 = (yL+1)*fringeSize + fringeSize/2

				x11, y11, x12, y12, _, y13 = left2ndTriangle(xL, yL, fringeSize, distance)

				// we make sure that the previous triangle and this one touch each other in this point.

				y12 = y3

			} else {

				x11 = (xL) * fringeSize

				x12 = (xL + 1) * fringeSize

				x13 = x11

				y11 = yL*fringeSize + fringeSize/2

				x11, y11, x12, y12, _, y13 = right2ndTriangle(xL, yL, fringeSize, distance)

				// in order to have a perfect hexagon,

				// we make sure that the previous triangle and this one touch each other in this point.

				y12 = y1 + fringeSize

				y13 = (yL+1)*fringeSize + fringeSize/2

			}

			xs1 := []int{x11, x12, x13}

			xs1 := []int{x12, x11, x12}

			ys1 := []int{y11, y12, y13}

			canvas.Polygon(xs1, ys1, draw.FillFromRGBA(draw.ColorByPercentage(colors, percentage)))

		}