Tint applied to texture on draw

Alternative to the accessors red, green, blue & alpha. Changes inside the array do not automatically set needs_update.

Require: tint.length == 4

Property definitions

gamnit $ Sprite :: tint
	# Tint applied to `texture` on draw
	#
	# Alternative to the accessors `red, green, blue & alpha`.
	# Changes inside the array do not automatically set `needs_update`.
	#
	# Require: `tint.length == 4`
	var tint: Array[Float] = [1.0, 1.0, 1.0, 1.0] is writable(tint_direct=)
lib/gamnit/flat/flat_core.nit:229,2--235,72