80 lines
2.9 KiB
C#
80 lines
2.9 KiB
C#
using StgSharp.Controlling;
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using StgSharp.Math;
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namespace StgSharp.Geometries
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{
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public class Parallelogram : Polygon4
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{
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internal Point center;
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public sealed override Point RefPoint0 => center;
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public sealed override Point RefPoint1 => new Point(vertexMat.mat.colum0);
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public sealed override Point RefPoint2 => new Point(vertexMat.mat.colum1);
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internal readonly GetLocationHandler movCenterOperation =
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new GetLocationHandler(GeometryOperation.DefualtMotion);
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public GetLocationHandler MovCenterOperation { get { return movCenterOperation; } }
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public GetLocationHandler MovVertex01Operation { get { return moveVertex0Operation; } }
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public GetLocationHandler MovVertex02Operation { get { return moveVertex1Operation; } }
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public Parallelogram(
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float v0x, float v0y, float v0z,
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float v1x, float v1y, float v1z,
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float v2x, float v2y, float v2z,
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float v3x, float v3y, float v3z
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) : base(
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v0x, v0y, v0z,
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v1x, v1y, v1z,
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v2x, v2y, v2z,
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v3x, v2y, v3z
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)
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{
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if (
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vertexMat.Colum0 + vertexMat.Colum2 !=
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vertexMat.Colum1 + vertexMat.Colum3
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)
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{
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internalIO.InternalWriteLog("Init of geometry item failed, because four vertices cannot form a rectangle.", LogType.Warning);
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}
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}
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public virtual vec3d MovCenter(uint tick)
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{
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return movCenterOperation.Invoke(tick);
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}
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/// <summary>
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/// Move the third vertix. this is a useless method for Parallelograms.
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/// </summary>
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/// <param name="tick">Current time tick</param>
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/// <returns></returns>
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/// <exception cref="UnusedVertexException">Geometry overdefined</exception>
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public sealed override vec3d MoveVertex2(uint tick)
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{
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throw new UnusedVertexException();
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}
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/// <summary>
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/// Move the third vertix. This method is useless for Parallelograms.
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/// </summary>
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/// <param name="tick">Current time tick</param>
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/// <returns></returns>
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/// <exception cref="UnusedVertexException">Geometry overdefined</exception>
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public sealed override vec3d MoveVertex3(uint tick)
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{
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throw new UnusedVertexException();
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}
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internal sealed override void OnRender(uint tick)
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{
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uint nowTick = TimeLine.tickCounter._value;
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this.vertexMat.Colum0 = RefOrigin.Position + moveVertex0Operation(nowTick);
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this.vertexMat.Colum1 = RefOrigin.Position + moveVertex1Operation(nowTick);
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this.vertexMat.Colum2 = center.Position * 2 - vertexMat.Colum0;
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this.vertexMat.Colum3 = center.Position * 2 - vertexMat.Colum1;
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}
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}
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}
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