Added terrain and robot prototypes

nodes/word/terrain_editor.gd

@@ -0,0 +1,32 @@
+extends Node
+
+@onready var voxelTool := (get_parent() as VoxelTerrain).get_voxel_tool()
+
+var block_edit := false
+
+func _unhandled_input(event):
+	if event is InputEventMouseButton and event.is_pressed():
+		if block_edit:
+			if event.button_index == MOUSE_BUTTON_LEFT:
+				perform_block_action(true)
+			elif event.button_index == MOUSE_BUTTON_RIGHT:
+				get_tree().create_timer(0.15).timeout.connect(
+					func():
+						if not Input.is_mouse_button_pressed(MOUSE_BUTTON_RIGHT):
+							perform_block_action(false)
+				)
+
+func perform_block_action(add_block:bool)->void:
+	var mouse_pos_2d := get_viewport().get_mouse_position()
+	var current_camera := get_viewport().get_camera_3d()
+	var origin := current_camera.project_ray_origin(mouse_pos_2d)
+	var dir := current_camera.project_ray_normal(mouse_pos_2d)
+	var res := voxelTool.raycast(origin, dir, 50)
+	if res != null:
+		if add_block: 
+			voxelTool.set_voxel(res.previous_position, 1)
+		else:
+			voxelTool.set_voxel(res.position, 0)
+
+func _on_button_toggled(toggled_on: bool) -> void:
+	block_edit = toggled_on