99 lines
2.4 KiB
GDScript
99 lines
2.4 KiB
GDScript
extends Camera
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const SPEED = 10
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const TURN_SENSITIVITY = 0.15
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var x_rot : float = 0.0
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var y_rot : float = 0.0
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var mouse_right_down : bool = false
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var input_dir : Vector2 = Vector2()
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var key_left : bool = false
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var key_right : bool = false
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var key_up : bool = false
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var key_down : bool = false
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var cursor_grabbed : bool = false
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var last_cursor_pos : Vector2 = Vector2()
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func _physics_process(delta):
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process_input(delta)
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process_movement(delta)
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func process_input(delta: float) -> void:
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var key_dir = Vector2()
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if key_up:
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key_dir.y -= 1
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if key_down:
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key_dir.y += 1
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if key_left:
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key_dir.x -= 1
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if key_right:
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key_dir.x += 1
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input_dir = key_dir
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if input_dir.length_squared() > 0.1:
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input_dir = input_dir.normalized()
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func _unhandled_input(event : InputEvent) -> void:
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if event is InputEventMouseButton and event.button_index == BUTTON_RIGHT and event.device != -1:
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mouse_right_down = event.pressed
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if event is InputEventKey:
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if event.scancode == KEY_W:
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key_up = event.pressed
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if event.scancode == KEY_S:
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key_down = event.pressed
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if event.scancode == KEY_A:
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key_left = event.pressed
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if event.scancode == KEY_D:
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key_right = event.pressed
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if event is InputEventMouseMotion and mouse_right_down and event.device != -1:
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rotate_delta(-event.relative.x, -event.relative.y)
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update_cursor_mode()
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func process_movement(delta):
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if input_dir.x > 0.1 or input_dir.y > 0.1 or input_dir.x < -0.1 or input_dir.y < -0.1:
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var forward = transform.basis.xform(Vector3(0, 0, 1))
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var right = forward.cross(Vector3(0, 1, 0)) * -input_dir.x
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forward *= input_dir.y #only potentially make it zero after getting the right vector
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var dir : Vector3 = forward
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dir += right
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if dir.length_squared() > 0.1:
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dir = dir.normalized()
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translation += dir * delta * SPEED
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func update_cursor_mode():
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if mouse_right_down:
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if not cursor_grabbed:
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cursor_grabbed = true
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last_cursor_pos = get_viewport().get_mouse_position()
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Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
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else:
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if cursor_grabbed:
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cursor_grabbed = false
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Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
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get_viewport().warp_mouse(last_cursor_pos)
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func rotate_delta(x_delta : float, y_delta : float) -> void:
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x_rot += y_delta * TURN_SENSITIVITY
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y_rot += x_delta * TURN_SENSITIVITY
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x_rot = clamp(x_rot, -90, 90)
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if y_rot >= 360:
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y_rot = 0
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if y_rot < 0:
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y_rot = 360
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rotation_degrees = Vector3(x_rot, y_rot, 0.0)
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