tool extends RichTextEffect
class_name RichTextMatrix

var bbcode = "matrix"

func _init():
	resource_name = "RichTextMatrix"

func _process_custom_fx(char_fx : CharFXTransform) -> bool:
	var clear_time = char_fx.env.get("clean", 2.0)
	var dirty_time = char_fx.env.get("dirty", 1.0)
	var text_span = char_fx.env.get("span", 50)
		 
	var value = char_fx.character
	
	var matrix_time = fmod(char_fx.elapsed_time + (char_fx.absolute_index / float(text_span)), \
							clear_time + dirty_time)
	
	matrix_time = 0.0 if matrix_time < clear_time else \
				(matrix_time - clear_time)/dirty_time
	
	if( value >= 65 && value < 126 && matrix_time > 0.0 ):
		value -= 65
		value = value + int((1 * matrix_time * (126-65)))
		value %= (126 - 65)
		value += 65
	char_fx.character = value
	return true