luboslenco
90 lines
2.5 KiB
Haxe
90 lines
2.5 KiB
Haxe
package arm.trait;
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import iron.Trait;
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import iron.system.Input;
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import iron.system.Time;
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import iron.object.CameraObject;
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import iron.math.Vec4;
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import arm.UITrait;
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class FlyCamera extends Trait {
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public static var inst:FlyCamera;
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public var enabled = false;
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static inline var speed = 2.0;
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var dir = new Vec4();
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var xvec = new Vec4();
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var yvec = new Vec4();
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var easing = true;
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var ease = 1.0;
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public function new(easing = true) {
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super();
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inst = this;
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this.easing = easing;
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notifyOnUpdate(update);
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}
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function update() {
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if (Input.occupied) return;
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if (!arm.App.uienabled) return;
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if (UITrait.inst.isScrolling) return;
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if (arm.App.isDragging) return;
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if (UITrait.inst.cameraType != 1) return;
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var keyboard = Input.getKeyboard();
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var gamepad = Input.getGamepad();
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var mouse = Input.getMouse();
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var camera = iron.Scene.active.camera;
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if (mouse.x < 0 || mouse.x > iron.App.w()) return;
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var moveForward = keyboard.down("w") || keyboard.down("up") || mouse.wheelDelta < 0;
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var moveBackward = keyboard.down("s") || keyboard.down("down") || mouse.wheelDelta > 0;
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var strafeLeft = keyboard.down("a") || keyboard.down("left");
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var strafeRight = keyboard.down("d") || keyboard.down("right");
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var strafeUp = keyboard.down("e");
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var strafeDown = keyboard.down("q");
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var fast = keyboard.down("shift") ? 2.0 : (keyboard.down("alt") ? 0.5 : 1.0);
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if (mouse.wheelDelta != 0) {
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fast *= Math.abs(mouse.wheelDelta) * 4.0;
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}
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if (moveForward || moveBackward || strafeRight || strafeLeft || strafeUp || strafeDown) {
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if (easing) {
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ease += Time.delta * 15;
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if (ease > 1.0) ease = 1.0;
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}
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else ease = 1.0;
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dir.set(0, 0, 0);
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if (moveForward) dir.addf(camera.look().x, camera.look().y, camera.look().z);
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if (moveBackward) dir.addf(-camera.look().x, -camera.look().y, -camera.look().z);
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if (strafeRight) dir.addf(camera.right().x, camera.right().y, camera.right().z);
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if (strafeLeft) dir.addf(-camera.right().x, -camera.right().y, -camera.right().z);
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if (strafeUp) dir.addf(0, 0, 1);
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if (strafeDown) dir.addf(0, 0, -1);
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}
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else {
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if (easing) {
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ease -= Time.delta * 20.0 * ease;
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if (ease < 0.0) ease = 0.0;
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}
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else ease = 0.0;
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}
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var d = Time.delta * speed * fast * ease;
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if (d > 0.0) {
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UITrait.inst.ddirty = 2;
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camera.move(dir, d);
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}
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if (mouse.down("right")) {
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UITrait.inst.ddirty = 2;
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camera.rotate(Vec4.zAxis(), -mouse.movementX / 200);
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camera.rotate(camera.right(), -mouse.movementY / 200);
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}
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}
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}
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