tool
extends ImmediateGeometry
class_name SummerDayInteractionHint


var canvas_state: SummerDayCanvasState # Provided through Canvas.


func draw_dot(position: Vector3, color: Color):
	var transformation = SummerDay.canvas_state.clip_space_view_transform
	var transformed_position = transformation.xform(position)
	
	var radius = 3.0
	var vertex_count = 12.0
	
	begin(Mesh.PRIMITIVE_TRIANGLE_FAN)
	set_color(color)
	for i in range(vertex_count):
		var weight = i / vertex_count
		var offset = Vector3(sin(weight * TAU), cos(weight * TAU), 0.0)
		add_vertex(transformed_position + offset)
	end()


func draw_line(position_1: Vector3, position_2: Vector3, color: Color):
	var transformation = SummerDay.canvas_state.clip_space_view_transform
	var transformed_position_1 = transformation.xform(position_1)
	var transformed_position_2 = transformation.xform(position_2)
	
	begin(Mesh.PRIMITIVE_LINES)
	set_color(color)
	add_vertex(transformed_position_1)
	add_vertex(transformed_position_2)
	end()