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49 lines
2.0 KiB
49 lines
2.0 KiB
using System.Numerics;
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using Raylib_cs;
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namespace Smoll.Ex2 {
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class ArrowComponent : Smoll.Component {
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Complex offset;
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public Complex rawValue;
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Transform2DComponent? ownerTransform;
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public ArrowComponent(int offset_x = 0, int offset_y = 0)
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{
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this.offset = offset_x + Complex.ImaginaryOne*offset_y;
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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 Complex Origin() {
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ownerTransform ??= owner.GetComponent<Transform2DComponent>();
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ownerTransform ??= new Transform2DComponent();
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var tr = ownerTransform.AbsoluteTransform();
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return tr.position + offset*Complex.Exp(Complex.ImaginaryOne * tr.angle) * tr.scale;
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}
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public Complex Vector() {
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ownerTransform ??= owner.GetComponent<Transform2DComponent>();
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ownerTransform ??= new Transform2DComponent();
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var tr = ownerTransform.AbsoluteTransform();
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return rawValue*Complex.Exp(Complex.ImaginaryOne * tr.angle) * tr.scale;
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}
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public Tuple<Complex, Complex> OriginAndVector() {
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ownerTransform ??= owner.GetComponent<Transform2DComponent>();
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ownerTransform ??= new Transform2DComponent();
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var tr = ownerTransform.AbsoluteTransform();
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return Tuple.Create(tr.position + offset*Complex.Exp(Complex.ImaginaryOne * tr.angle) * tr.scale, rawValue*Complex.Exp(Complex.ImaginaryOne * tr.angle) * tr.scale);
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}
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public override void Draw(Smoll.Layer.DrawMode drawMode) {
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if(drawMode == Layer.DrawMode.Debug) {
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var data = OriginAndVector();
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Complex start = data.Item1;
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Complex end = data.Item1 + data.Item2;
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Raylib.DrawLineEx(new Vector2((float)start.Real, (float)start.Imaginary),new Vector2((float)end.Real, (float)end.Imaginary),2f, Color.Red);
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}
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}
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}
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}
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