space-vroom

A SkyRoads clone with only one boring "level" written in Godot Engine version 3.
git clone https://kaka.farm/~git/spacevroom
Log | Files | Refs | LICENSE

Camera.gd (1818B)


      1 extends Camera
      2 
      3 
      4 # Space Vroom, an unoriginal space racer.
      5 # Copyright (C) 2021  Yuval Langer
      6 #
      7 # This program is free software: you can redistribute it and/or modify
      8 # it under the terms of the GNU Affero General Public License as
      9 # published by the Free Software Foundation, either version 3 of the
     10 # License, or (at your option) any later version.
     11 #
     12 # This program is distributed in the hope that it will be useful,
     13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15 # GNU Affero General Public License for more details.
     16 #
     17 # You should have received a copy of the GNU Affero General Public License
     18 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
     19 
     20 onready var player: KinematicBody = get_parent().get_node("Player")
     21 onready var mesh_instance: MeshInstance = $MeshInstance
     22 
     23 
     24 var offset
     25 
     26 
     27 func _ready() -> void:
     28 	offset = translation - player.translation
     29 
     30 
     31 func _process(delta: float) -> void:
     32 	translation.x = player.translation.x + offset.x
     33 #	translation.y = player.translation.y + offset.y
     34 	translation.z = player.translation.z + offset.z
     35 
     36 #	display_background()
     37 
     38 
     39 func display_background() -> void:
     40 	# TODO: Crop excess background image?
     41 
     42 	var viewport_size: Vector2 = get_viewport().size
     43 	var mesh_distance_from_camera: float = abs(mesh_instance.translation.z)
     44 	var worldspace_top_left: Vector3 = project_position(Vector2(0, 0), mesh_distance_from_camera)
     45 	var worldspace_bottom_right: Vector3 = project_position(viewport_size, mesh_distance_from_camera)
     46 	var local_top_left: Vector3 = to_local(worldspace_top_left)
     47 	var local_bottom_right: Vector3 = to_local(worldspace_bottom_right)
     48 	mesh_instance.mesh.size = Vector2(abs(local_top_left.x-local_bottom_right.x), abs(local_top_left.y - local_bottom_right.y))