Add touching color

[JiepengTan]

test project:
test_color.zip

test script:

onStart => {
	for {
		if touchingColor(HSB(0, 100, 100)) {
			say "touchingColor Red"
		} else {
			say "no touchingColor Red"
		}
		waitNextFrame()
	}
}

onKey KeyUp, => {
	changeXYpos 0, 5
}

onKey KeyDown, => {
	changeXYpos 0, -5
}

onKey KeyLeft, => {
	changeXYpos -5, 0
}

onKey KeyRight, => {
	changeXYpos 5, 0
}

TouchColor2.mp4