extends Node2D
var world: Node2D
var wind_material: ShaderMaterial
func _ready() -> void:
	name = "WindCanopies"
	texture_filter = CanvasItem.TEXTURE_FILTER_LINEAR_WITH_MIPMAPS
	wind_material = ShaderMaterial.new()
	wind_material.shader = preload("res://resources/effects/tree_wind.gdshader")
	material = wind_material

func _draw() -> void:
	for tree in world.data.trees:
		var shade := float(tree.shade)
		var color: Color = Color(shade,shade,shade)*world.data.landscape.trees
		if int(world.data.profile.temperature) < -10: color = color.lerp(Color("d1e1da"),0.4)
		elif int(world.data.profile.temperature) > 40: color = color.lerp(Color("c6a86b"),0.28)
		var variant := int(tree.get("variant",-1))
		var texture: Texture2D = world._tree if variant < 0 else world._nature[variant]
		var extent := Vector2(tree.size,tree.size*texture.get_height()/texture.get_width())
		draw_set_transform(tree.position,tree.rotation)
		draw_texture_rect(texture,Rect2(-extent*0.5,extent),false,color)
	draw_set_transform(Vector2.ZERO)