armory3d.armortools/base/tests/fall/sources/camera.ts

function camera_update() {
	let camera: camera_object_t = scene_camera;
	let move_forward: bool      = keyboard_down("w");
	let move_backward: bool     = keyboard_down("s");
	let strafe_left: bool       = keyboard_down("a");
	let strafe_right: bool      = keyboard_down("d");
	let strafe_up: bool         = keyboard_down("e");
	let strafe_down: bool       = keyboard_down("q");
	let fast: f32               = keyboard_down("shift") ? 2.0 : 1.0;
	let speed: f32              = 5.0;
	let dir: vec4_t             = vec4_create();

	if (move_forward || move_backward || strafe_right || strafe_left || strafe_up || strafe_down) {
		let clook: vec4_t  = camera_object_look(camera);
		let cright: vec4_t = camera_object_right(camera);

		if (move_forward) {
			dir = vec4_fadd(dir, clook.x, clook.y, clook.z);
		}
		if (move_backward) {
			dir = vec4_fadd(dir, -clook.x, -clook.y, -clook.z);
		}
		if (strafe_right) {
			dir = vec4_fadd(dir, cright.x, cright.y, cright.z);
		}
		if (strafe_left) {
			dir = vec4_fadd(dir, -cright.x, -cright.y, -cright.z);
		}
		if (strafe_up) {
			dir = vec4_fadd(dir, 0, 0, 1);
		}
		if (strafe_down) {
			dir = vec4_fadd(dir, 0, 0, -1);
		}
	}

	let d: f32 = sys_delta() * speed * fast;
	if (d > 0.0) {
		transform_move(camera.base.transform, dir, d);
	}

	if (mouse_down()) {
		transform_rotate(camera.base.transform, vec4_z_axis(), -mouse_movement_x / 200);
		transform_rotate(camera.base.transform, camera_object_right(camera), -mouse_movement_y / 200);
	}
}