Commit 7cc7189b authored by santiaago's avatar santiaago
Browse files

refactor hexa code

parent 4b181bc1

draw/isogrids/hexa.go

+11 −8
Original line number Diff line number Diff line
@@ -59,11 +59,7 @@ func Hexa(w http.ResponseWriter, key string, colors []color.RGBA, size, lines in 


			canvas.Polygon(xs, ys, fill1)



			xsMirror := []int{0, 0, 0}

			xsMirror[0] = (lines * fringeSize) - xs[0] + offset

			xsMirror[1] = (lines * fringeSize) - xs[1] + offset

			xsMirror[2] = (lines * fringeSize) - xs[2] + offset



			xsMirror := mirrorCoordinates(xs, lines, fringeSize, offset)

			canvas.Polygon(xsMirror, ys, fill1)



			var x11, x12, x13, y11, y12, y13 int
@@ -93,10 +89,8 @@ func Hexa(w http.ResponseWriter, key string, colors []color.RGBA, size, lines in 
			}



			canvas.Polygon(xs1, ys1, fill2)

			xs1[0] = (lines * fringeSize) - xs1[0] + offset

			xs1[1] = (lines * fringeSize) - xs1[1] + offset

			xs1[2] = (lines * fringeSize) - xs1[2] + offset



			xs1 = mirrorCoordinates(xs1, lines, fringeSize, offset)

			canvas.Polygon(xs1, ys1, fill2)

		}

	}
@@ -179,6 +173,15 @@ func isFill2InHexagon(xL, yL, lines int) bool { 
	return false

}



func mirrorCoordinates(xs []int, lines, fringeSize, offset int) (xsMirror []int) {



	xsMirror = make([]int, len(xs))

	for i, _ := range xs {

		xsMirror[i] = (lines * fringeSize) - xs[i] + offset

	}

	return

}



// rightTriangle computes a right oriented triangle '>'

func rightTriangle(xL, yL, fringeSize, distance int) (x1, y1, x2, y2, x3, y3 int) {

	x1 = xL * fringeSize