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48 Zeilen
1.5 KiB
48 Zeilen
1.5 KiB
using System.Numerics;
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namespace Smoll.Ex2 {
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sealed class InertiaComponent : Component {
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public Transform2D transform;
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public float dampening;
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private Transform2DComponent? ownerTransform;
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public InertiaComponent(float dampening = 1)
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: this(dampening,0,0,0)
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{}
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public InertiaComponent(float dampening, float x, float y)
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: this(dampening,x,y,0)
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{}
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public InertiaComponent(float dampening, float x, float y, float angle) {
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transform = new Transform2D();
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transform.position = y*Complex.ImaginaryOne + x;
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transform.angle = angle;
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transform.scale = 1;
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this.dampening = dampening;
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}
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public InertiaComponent(float dampening, Transform2D tr) {
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transform = tr;
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this.dampening = dampening;
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}
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public override void OnAttached() {
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ownerTransform = owner.GetComponent<Transform2DComponent>();
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}
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public override void Update(float deltaTimeSeconds)
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{
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ownerTransform ??= owner.GetComponent<Transform2DComponent>();
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ownerTransform ??= new Transform2DComponent();
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ownerTransform.transform.position += transform.position * deltaTimeSeconds;
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ownerTransform.transform.angle += transform.angle * deltaTimeSeconds;
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transform.position *= MathF.Pow(dampening, deltaTimeSeconds);
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transform.angle *= MathF.Pow(dampening, deltaTimeSeconds);
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}
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}
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}
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