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more and faster polygon transforms (#57)
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@luithefirst
luithefirst committed Apr 9, 2021
1 parent f5b004e commit 34bf1fb
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Showing 4 changed files with 296 additions and 73 deletions.
194 changes: 146 additions & 48 deletions src/Aardvark.Base/Geometry/Geometry_auto.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -482,56 +482,105 @@ public static double ComputePerimeter(this Polygon2d polygon)

#region Geometric Transformations

public static Polygon2d Scaled(
this Polygon2d polygon, double scale)
public static Polygon2d Scaled(this Polygon2d polygon, double scale)
{
return polygon.Map(p => p * scale);
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = opa[pi] * scale;
return new Polygon2d(npa, pc);
}

public static Polygon2d Scaled(
this Polygon2d polygon, V2d center, double scale)
public static Polygon2d Scaled(this Polygon2d polygon, V2d center, double scale)
{
return polygon.Map(p => center + (p - center) * scale);
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = center + (opa[pi] - center) * scale;
return new Polygon2d(npa, pc);
}

public static Polygon2d ScaledAboutVertexCentroid(
this Polygon2d polygon, double scale)
public static Polygon2d ScaledAboutVertexCentroid(this Polygon2d polygon, double scale)
{
return polygon.Scaled(polygon.ComputeVertexCentroid(), scale);
}

public static Polygon2d Scaled(
this Polygon2d polygon, V2d scale)
public static Polygon2d Scaled(this Polygon2d polygon, V2d scale)
{
return polygon.Map(p => p * scale);
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = opa[pi] * scale;
return new Polygon2d(npa, pc);
}

public static Polygon2d Scaled(
this Polygon2d polygon, V2d center, V2d scale)
public static Polygon2d Scaled(this Polygon2d polygon, V2d center, V2d scale)
{
return polygon.Map(p => center + (p - center) * scale);
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = center + (opa[pi] - center) * scale;
return new Polygon2d(npa, pc);
}

public static Polygon2d ScaledAboutVertexCentroid(
this Polygon2d polygon, V2d scale)
public static Polygon2d ScaledAboutVertexCentroid(this Polygon2d polygon, V2d scale)
{
return polygon.Scaled(polygon.ComputeVertexCentroid(), scale);
}

public static Polygon2d Transformed(
this Polygon2d polygon, M22d m)
public static Polygon2d Transformed(this Polygon2d polygon, M22d m)
{
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = m.Transform(opa[pi]);
return new Polygon2d(npa, pc);
}

public static Polygon2d Transformed(this Polygon2d polygon, M33d m)
{
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = m.TransformPos(opa[pi]);
return new Polygon2d(npa, pc);
}

public static Polygon2d Transformed(this Polygon2d polygon, Euclidean2d t)
{
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.TransformPos(opa[pi]);
return new Polygon2d(npa, pc);
}

public static Polygon2d Transformed(this Polygon2d polygon, Similarity2d t)
{
return polygon.Map(p => m.Transform(p));
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.TransformPos(opa[pi]);
return new Polygon2d(npa, pc);
}

public static Polygon2d Transformed(
this Polygon2d polygon, M33d m)
public static Polygon2d Transformed(this Polygon2d polygon, Affine2d t)
{
return polygon.Map(p => m.TransformPos(p));
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.TransformPos(opa[pi]);
return new Polygon2d(npa, pc);
}

public static Polygon2d Transformed(this Polygon2d polygon, Shift2d t)
{
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.Transform(opa[pi]);
return new Polygon2d(npa, pc);
}

public static Polygon2d Transformed(this Polygon2d polygon, Rot2d t)
{
var pc = polygon.m_pointCount;
V2d[] opa = polygon.m_pointArray, npa = new V2d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.Transform(opa[pi]);
return new Polygon2d(npa, pc);
}

public static Polygon2d WithoutMultiplePoints(
this Polygon2d polygon, double eps = 1e-8)
public static Polygon2d WithoutMultiplePoints(this Polygon2d polygon, double eps = 1e-8)
{
eps *= eps;
var opc = polygon.PointCount;
Expand Down Expand Up @@ -2046,56 +2095,105 @@ public static double ComputePerimeter(this Polygon3d polygon)

#region Geometric Transformations

public static Polygon3d Scaled(
this Polygon3d polygon, double scale)
public static Polygon3d Scaled(this Polygon3d polygon, double scale)
{
return polygon.Map(p => p * scale);
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = opa[pi] * scale;
return new Polygon3d(npa, pc);
}

public static Polygon3d Scaled(
this Polygon3d polygon, V3d center, double scale)
public static Polygon3d Scaled(this Polygon3d polygon, V3d center, double scale)
{
return polygon.Map(p => center + (p - center) * scale);
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = center + (opa[pi] - center) * scale;
return new Polygon3d(npa, pc);
}

public static Polygon3d ScaledAboutVertexCentroid(
this Polygon3d polygon, double scale)
public static Polygon3d ScaledAboutVertexCentroid(this Polygon3d polygon, double scale)
{
return polygon.Scaled(polygon.ComputeVertexCentroid(), scale);
}

public static Polygon3d Scaled(
this Polygon3d polygon, V3d scale)
public static Polygon3d Scaled(this Polygon3d polygon, V3d scale)
{
return polygon.Map(p => p * scale);
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = opa[pi] * scale;
return new Polygon3d(npa, pc);
}

public static Polygon3d Scaled(
this Polygon3d polygon, V3d center, V3d scale)
public static Polygon3d Scaled(this Polygon3d polygon, V3d center, V3d scale)
{
return polygon.Map(p => center + (p - center) * scale);
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = center + (opa[pi] - center) * scale;
return new Polygon3d(npa, pc);
}

public static Polygon3d ScaledAboutVertexCentroid(
this Polygon3d polygon, V3d scale)
public static Polygon3d ScaledAboutVertexCentroid(this Polygon3d polygon, V3d scale)
{
return polygon.Scaled(polygon.ComputeVertexCentroid(), scale);
}

public static Polygon3d Transformed(
this Polygon3d polygon, M33d m)
public static Polygon3d Transformed(this Polygon3d polygon, M33d m)
{
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = m.Transform(opa[pi]);
return new Polygon3d(npa, pc);
}

public static Polygon3d Transformed(this Polygon3d polygon, M44d m)
{
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = m.TransformPos(opa[pi]);
return new Polygon3d(npa, pc);
}

public static Polygon3d Transformed(this Polygon3d polygon, Euclidean3d t)
{
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.TransformPos(opa[pi]);
return new Polygon3d(npa, pc);
}

public static Polygon3d Transformed(this Polygon3d polygon, Similarity3d t)
{
return polygon.Map(p => m.Transform(p));
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.TransformPos(opa[pi]);
return new Polygon3d(npa, pc);
}

public static Polygon3d Transformed(
this Polygon3d polygon, M44d m)
public static Polygon3d Transformed(this Polygon3d polygon, Affine3d t)
{
return polygon.Map(p => m.TransformPos(p));
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.TransformPos(opa[pi]);
return new Polygon3d(npa, pc);
}

public static Polygon3d Transformed(this Polygon3d polygon, Shift3d t)
{
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.Transform(opa[pi]);
return new Polygon3d(npa, pc);
}

public static Polygon3d Transformed(this Polygon3d polygon, Rot3d t)
{
var pc = polygon.m_pointCount;
V3d[] opa = polygon.m_pointArray, npa = new V3d[pc];
for (int pi = 0; pi < pc; pi++) npa[pi] = t.Transform(opa[pi]);
return new Polygon3d(npa, pc);
}

public static Polygon3d WithoutMultiplePoints(
this Polygon3d polygon, double eps = 1e-8)
public static Polygon3d WithoutMultiplePoints(this Polygon3d polygon, double eps = 1e-8)
{
eps *= eps;
var opc = polygon.PointCount;
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