public void simpleTransformTest()
{
{
LDSimpleAffineTransform t=new LDSimpleAffineTransform();
t.setOrigin(new LDPoint(100, 100));
t.setRotateDeg(90);
LDPoint src=new LDPoint(1, 0);
LDPoint dst;
dst = t.transform(src);
TestUtil.COMPARE(dst.x(), (double)100);
TestUtil.COMPARE(dst.y(), (double)100 + 1);
}
{
LDSimpleAffineTransform t=new LDSimpleAffineTransform();
t.setOrigin(new LDPoint(100, 100));
t.setRotateDeg(90);
t.setScale(2);
LDPoint src=new LDPoint(5, 5);
LDPoint dst;
dst = t.transform(src);
TestUtil.COMPARE(dst.x(), 90.0);
TestUtil.COMPARE(dst.y(), 110.0);
}
}
public LDRect(LDPoint topleft, LDPoint bottomRight)
{
this.xp = topleft.x();
this.yp = topleft.y();
this.w = bottomRight.x() - topleft.x();
this.h = bottomRight.y() - topleft.y();
}
public static LDPoint lerp2D(LDPoint from1, LDPoint to1, double t1, LDPoint from2, LDPoint to2, double t2)
{
LDPoint tmp1 = (1 - (float)t1) * from1 + (float)t1 * to1;
LDPoint tmp2 = (1 - (float)t1) * from2 + (float)t1 * to2;
return((1 - (float)t2) * tmp1 + (float)t2 * tmp2);
}
public LDPoint transform(LDPoint p)
{
LDVector3 srcVec = new LDVector3(p.x(), p.y(), 0);
LDVector3 dstVec = m_matrix.transform(srcVec);
return(new LDPoint(dstVec.x, dstVec.y));
}
public bool isHit(LDPoint pt)
{
LDPolygon polygon = m_triangles.getOutlinePolygon(m_points);
//第二引数のFillRuleはQPainterPathのリファレンスがわかりやすい
return(polygon.containsPoint(pt, FillRule.WindingFill));
}
public void simpleTransformTest()
{
{
LDSimpleAffineTransform t = new LDSimpleAffineTransform();
t.setOrigin(new LDPoint(100, 100));
t.setRotateDeg(90);
LDPoint src = new LDPoint(1, 0);
LDPoint dst;
dst = t.transform(src);
TestUtil.COMPARE(dst.x(), (double)100);
TestUtil.COMPARE(dst.y(), (double)100 + 1);
}
{
LDSimpleAffineTransform t = new LDSimpleAffineTransform();
t.setOrigin(new LDPoint(100, 100));
t.setRotateDeg(90);
t.setScale(2);
LDPoint src = new LDPoint(5, 5);
LDPoint dst;
dst = t.transform(src);
TestUtil.COMPARE(dst.x(), 90.0);
TestUtil.COMPARE(dst.y(), 110.0);
}
}
public LDRect(LDPoint topleft, LDSize size)
{
this.xp = topleft.x();
this.yp = topleft.y();
this.w = size.width();
this.h = size.height();
}
public LDRect(LDPoint topleft, LDSize size)
{
this.xp = topleft.x();
this.yp = topleft.y();
this.w = size.width();
this.h = size.height();
}
/// <summary>
/// out Upoint 未実装
/// </summary>
/// <param name="l"></param>
/// <param name="point"></param>
/// <returns></returns>
public IntersectType intersect(LDLine l, out LDPoint point)
{
IntersectType intersect;
if (MathFunctions.uFuzzyCompare(this.angle(), l.angle()))
{
point = null;
intersect = IntersectType.NoIntersection;
}
else
{
LDLine lp12 = new LDLine(this.pt1, l.pt1);
LDLine lp22 = new LDLine(this.pt1, l.pt2);
LDLine lp11 = new LDLine(l.pt1, this.pt1);
LDLine lp21 = new LDLine(l.pt1, this.pt2);
if (((this.angleTo(lp12) - 180f) * (this.angleTo(lp22) - 180f) < 0) &&
((this.angleTo(lp11) - 180f) * (this.angleTo(lp21) - 180f) < 0))
{
point = null;
intersect = IntersectType.BoundedIntersection;
}
else
{
point = null;
intersect = IntersectType.UnboundedIntersection;
}
}
return(intersect);
}
public LDRect(LDPoint topleft, LDPoint bottomRight)
{
this.xp = topleft.x();
this.yp = topleft.y();
this.w = bottomRight.x() - topleft.x();
this.h = bottomRight.y() - topleft.y();
}
//時計回りに4点
public LDQuadTransform(LDPoint topLeft, LDPoint topRight, LDPoint bottomRight, LDPoint bottomLeft)
{
m_topLeft = topLeft;
m_bottomRight = bottomRight;
m_topRight = topRight;
m_bottomLeft = bottomLeft;
}
public LDPoint getQuadIndex(LDPoint t)
{
double tx = t.x();
double ty = t.y();
// Debug.Assert( tx>=0 );
// Debug.Assert( tx<=1 );
// Debug.Assert( ty>=0 );
// Debug.Assert( ty<=1 );
int row, col;
if (tx == 1)
{
col = getColumn() - 1;
}
else
{
col = (int)Math.Truncate(tx * getColumn());
}
if (ty == 1)
{
row = getRow() - 1;
}
else
{
row = (int)Math.Truncate(ty * getRow());
}
return(new LDPoint(col, row));
}
public void transformTest()
{
{
LDQuadTransform quad = new LDQuadTransform(new LDPoint(10, 10), new LDPoint(30, 30));
LDPoint src = new LDPoint(0.5f, 0.25f);
LDPoint dst = new LDPoint();
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), 20.0);
TestUtil.COMPARE(dst.y(), 15.0);
}
{
LDQuadTransform quad = new LDQuadTransform(new LDPoint(10, 10), new LDPoint(20, 10), new LDPoint(100, 100), new LDPoint(10, 20));
LDPoint src = new LDPoint(0.9f, 0.9f);
LDPoint dst = new LDPoint();
dst = quad.transform(src);
// TestUtil.COMPARE(dst.x(),83.8);
// TestUtil.COMPARE(dst.y(),83.8);
TestUtil.LDFUZZY_COMPARE(dst.x(), 83.8, 0.0000001);
TestUtil.LDFUZZY_COMPARE(dst.y(), 83.8, 0.0000001);
// TestUtil.LDFUZZY_COMPARE(dst.x(),83,0.001);
// TestUtil.LDFUZZY_COMPARE(dst.y(),83,0.001);
}
}
//時計回りに4点
public LDQuadTransform(LDPoint topLeft, LDPoint topRight, LDPoint bottomRight, LDPoint bottomLeft)
{
m_topLeft = topLeft;
m_bottomRight = bottomRight;
m_topRight = topRight;
m_bottomLeft = bottomLeft;
}
public static double crossProductValue(LDPoint pa, LDPoint pb)
{
// pa と pb の外積の z 成分を求める
double n = pa.x() * pb.y() - pa.y() * pb.x();
return(n);
}
/// <summary>
///
/// </summary>
/// <param name="l"></param>
/// <param name="point"></param>
/// <returns></returns>
public IntersectType intersect(LDLine l, out LDPoint point)
{
LDPoint pointA = this.pt1;
LDPoint pointB = this.pt2;
LDPoint pointC = l.pt1;
LDPoint pointD = l.pt2;
float dBunbo = (pointB.x() - pointA.x())
* (pointD.y() - pointC.y())
- (pointB.y() - pointA.y())
* (pointD.x() - pointC.x());
if (0 == dBunbo)
{ // 平行
point = null;
return(IntersectType.NoIntersection);
}
//ここで交点を導出
LDPoint vectorAC = pointC - pointA;
var dR = ((pointD.y() - pointC.y()) * vectorAC.x()
- (pointD.x() - pointC.x()) * vectorAC.y()) / dBunbo;
var dS = ((pointB.y() - pointA.y()) * vectorAC.x()
- (pointB.x() - pointA.x()) * vectorAC.y()) / dBunbo;
point = pointA + dR * (pointB - pointA);
return((new LDRect(pointA, pointB)).contains(point) && (new LDRect(pointC, pointD)).contains(point) ? IntersectType.BoundedIntersection : IntersectType.UnboundedIntersection);
/*
* IntersectType intersect;
* if (MathFunctions.uFuzzyCompare(this.angle(), l.angle()))
* {
* point = null;
* intersect = IntersectType.NoIntersection;
* }
* else
* {
* LDLine lp12 = new LDLine(this.pt1, l.pt1);
* LDLine lp22 = new LDLine(this.pt1, l.pt2);
*
* LDLine lp11 = new LDLine(l.pt1, this.pt1);
* LDLine lp21 = new LDLine(l.pt1, this.pt2);
*
* if (((this.angleTo(lp12) - 180f) * (this.angleTo(lp22) - 180f) < 0)
* && ((this.angleTo(lp11) - 180f) * (this.angleTo(lp21) - 180f) < 0))
* {
* point = null;
* intersect = IntersectType.BoundedIntersection;
* }
* else
* {
* point = null;
* intersect = IntersectType.UnboundedIntersection;
* }
* }
* return intersect;
*/
}
//格子番号から正規化された点を取得
public LDPoint getNormalizedPoint(int row, int col)
{
LDPoint p = new LDPoint();
p.setX(1.0f / getColumn() * row);
p.setY(1.0f / getRow() * col);
return(p);
}
public void insertUv(int index, LDPoint uv)
{
m_uvMap.Insert(index, uv);
m_points.Insert(index, getCalcAddVertex(uv));
//form.insert( index,p );
updateLinesForPointInsert(index);
}
public static double crossProductValue(LDPoint pa, LDPoint pb, LDPoint pc)
{
// 有向線分 (pa,pb), (pa,pc) の外積の z 成分を求める
double n = pb.x() * (pa.y() - pc.y()) + pa.x() * (pc.y() - pb.y()) + pc.x()
* (pb.y() - pa.y());
return(n);
}
public static LDPoint rotatePoint(LDPoint origin, LDPoint pt, ld_float rad)
{
LDPoint tmp = pt - origin;
float x = (float)(tmp.x() * Math.Cos(rad) + tmp.y() * Math.Sin(rad));
float y = ((float)(-tmp.x() * Math.Sin(rad) + tmp.y() * Math.Cos(rad)));
return(new LDPoint(x + origin.x(), y + origin.y()));
}
public static LDPoint scalePoint(LDPoint origin, LDPoint pt, ld_float scale_x, ld_float scale_y)
{
LDPoint tmp = pt - origin;
float x = tmp.x() * scale_x;
float y = tmp.y() * scale_y;
return(new LDPoint(x + origin.x(), y + origin.y()));
}
/*
* public static T lerp2D<T>(T from1, T to1, double t1, T from2, T to2, double t2)
* {
* T tmp1 = (1 - t1) * from1 + t1 * to1;
* T tmp2 = (1 - t1) * from2 + t1 * to2;
* return (1 - t2) * tmp1 + t2 * tmp2;
* }
*/
#endregion
#region inverseLerp2D
/* C#では使用できない ジェネリクスと値間の演算
* public static void inverseLerp2D<T>(T from1, T to1, T from2, T to2, T value, out double t1, out double t2)
* {
* // 参考 stackoverflow "Inverse Bilinear Interpolation?"
* // http://stackoverflow.com/questions/808441/inverse-bilinear-interpolation
* // p2 --- p3
* // | |
* // t | p |
* // | |
* // p0 --- p1
* // s
* // A = (p0-p) X (p0-p2)
* // B = ( (p0-p) X (p1-p3) + (p1-p) X (p0-p2) ) / 2
* // C = (p1-p) X (p1-p3)
* // s = ( (A-B) +- sqrt(B^2 - A*C) ) / ( A - 2*B + C )
*
* double a = crossProductValue(from2 - value, from2 - from1);
* double b = (crossProductValue(from2 - value, to2 - to1) + crossProductValue(to2 - value, from2 - from1)) / 2;
* double c = crossProductValue(to2 - value, to2 - to1);
*
* double d = (a - 2 * b + c);
*
* if (d == 0 || Math.Abs(d) < 0.0001)
* {
* t1 = a / (a - c);
* // qDebug()<<"d==0"<<t1;
* }
* else
* {
* t1 = ((a - b) + Math.Sqrt(b * b - a * c)) / d;//NOTE:ここに入ると変換の形状が壊れる
* // qDebug()<<"d!=0"<<t1<<"or"<<((a-b)-sqrt(b*b-a*c))/d;
* }
*
* // t = ( (1-s)*(x0-x) + s*(x1-x) ) / ( (1-s)*(x0-x2) + s*(x1-x3) )
* // t2=((1-t1)*(from2.y()-value.y())+t1*(to2.y()-value.y())) / ((1-t1)*(from2.y()-from1.y())+t1*(to2.y()-to1.y()));
* LDPoint tmp1 = ((1 - t1) * (from2 - value) + t1 * (to2 - value));
* LDPoint tmp2 = ((1 - t1) * (from2 - from1) + t1 * (to2 - to1));
*
*
* Util.uAssert(!(tmp2.x() == 0 && tmp2.y() == 0));
*
* if (tmp2.x() == 0 && tmp2.y() != 0)
* {
* t2 = tmp1.y() / tmp2.y();
* }
* else //if(tmp2.y()==0&&tmp2.x()!=0)
* {
* t2 = tmp1.x() / tmp2.x();
* }
* // else
* // {
* // LDPoint tmp(tmp1.x()/tmp2.x(),tmp1.y()/tmp2.y());
* // t2=tmp.x()+tmp.y()/2;
* //// t2=sqrt(tmp.x()*tmp.x()+tmp.y()*tmp.y());
* // }
*
* t2 = 1 - t2;
* }
*/
public static void inverseLerp2D(LDPoint from1, LDPoint to1, LDPoint from2, LDPoint to2, LDPoint value, out double t1, out double t2)
{
// 参考 stackoverflow "Inverse Bilinear Interpolation?"
// http://stackoverflow.com/questions/808441/inverse-bilinear-interpolation
// p2 --- p3
// | |
// t | p |
// | |
// p0 --- p1
// s
// A = (p0-p) X (p0-p2)
// B = ( (p0-p) X (p1-p3) + (p1-p) X (p0-p2) ) / 2
// C = (p1-p) X (p1-p3)
// s = ( (A-B) +- sqrt(B^2 - A*C) ) / ( A - 2*B + C )
double a = crossProductValue(from2 - value, from2 - from1);
double b = (crossProductValue(from2 - value, to2 - to1) + crossProductValue(to2 - value, from2 - from1)) / 2;
double c = crossProductValue(to2 - value, to2 - to1);
double d = (a - 2 * b + c);
if (d == 0 || Math.Abs(d) < 0.0001)
{
t1 = a / (a - c);
// qDebug()<<"d==0"<<t1;
}
else
{
t1 = ((a - b) + Math.Sqrt(b * b - a * c)) / d; //NOTE:ここに入ると変換の形状が壊れる
// qDebug()<<"d!=0"<<t1<<"or"<<((a-b)-sqrt(b*b-a*c))/d;
}
// t = ( (1-s)*(x0-x) + s*(x1-x) ) / ( (1-s)*(x0-x2) + s*(x1-x3) )
// t2=((1-t1)*(from2.y()-value.y())+t1*(to2.y()-value.y())) / ((1-t1)*(from2.y()-from1.y())+t1*(to2.y()-to1.y()));
LDPoint tmp1 = ((1 - (float)t1) * (from2 - value) + (float)t1 * (to2 - value));
LDPoint tmp2 = ((1 - (float)t1) * (from2 - from1) + (float)t1 * (to2 - to1));
Debug.Assert(!(tmp2.x() == 0 && tmp2.y() == 0));
if (tmp2.x() == 0 && tmp2.y() != 0)
{
t2 = tmp1.y() / tmp2.y();
}
else //if(tmp2.y()==0&&tmp2.x()!=0)
{
t2 = tmp1.x() / tmp2.x();
}
// else
// {
// LDPoint tmp(tmp1.x()/tmp2.x(),tmp1.y()/tmp2.y());
// t2=tmp.x()+tmp.y()/2;
//// t2=sqrt(tmp.x()*tmp.x()+tmp.y()*tmp.y());
// }
t2 = 1 - t2;
}
public void setAngle(float angle)
{
if (this.isNull())
{
return;
}
this.length();
this.pt2 = new LDPoint((float)(this.pt1.x() + this.length() * Math.Cos(angle)), (float)(this.pt1.y() + this.length() * Math.Sin(angle)));
}
//矩形に含まれるかどうかの軽量な簡易当たり判定
public bool isPreHit(LDPoint pt, float hitRange = 0)
{
LDRect rect = getBounds();
//上下左右を拡張
rect.adjust(-hitRange, -hitRange, hitRange, hitRange);
return(rect.contains(pt));
}
public void setPoint(int row, int col, LDPoint pt)
{
Debug.Assert(m_gridPoints.Count != 0);
common.LD_ASSERT_OUT_OF_INDEX(m_gridPoints, row);
common.LD_ASSERT_OUT_OF_INDEX(m_gridPoints[0], col);
m_gridPoints[row][col] = pt;
clearBoundsCache();
}
public LDPoint inverseTransform(LDPoint pt)
{
float sx = (pt.x() - originX) / scale;
float sy = (pt.y() - originY) / scale;
float rx = sx * (float)Math.Cos(-rotate) - sy * (float)Math.Sin(-rotate);
float ry = sx * (float)Math.Sin(-rotate) + sy * (float)Math.Cos(-rotate);
return(new LDPoint(rx, ry));
}
public void setLength(float len)
{
if (this.isNull())
{
return;
}
LDLine v = this.unitVector();
this.pt2 = new LDPoint(this.pt1.x() + v.dx() * len, this.pt1.y() + v.dy() * len);
}
public LDPoint inverseTransform(LDPoint pt)
{
float sx = (pt.x() - originX) / scale;
float sy = (pt.y() - originY) / scale;
float rx = sx * (float)Math.Cos(-rotate) - sy * (float)Math.Sin(-rotate);
float ry = sx * (float)Math.Sin(-rotate) + sy * (float)Math.Cos(-rotate);
return new LDPoint(rx, ry);
}
//外周の周辺で判定
public bool isHitOutline(LDPoint pt, float hitRange)
{
if (!isPreHit(pt, hitRange))
{
return(false);
}
LDIndexLineList outline = getIndexOutline();
return(outline.isHit(toForm(), pt, hitRange));
}
public LDPoint transform(LDPoint p)
{
float rx = p.x() * (float)Math.Cos(rotate) - p.y() * (float)Math.Sin(rotate);
float ry = p.x() * (float)Math.Sin(rotate) + p.y() * (float)Math.Cos(rotate);
float x = rx * scale + originX;
float y = ry * scale + originY;
return(new LDPoint(x, y));
}
public LDQuadTransform(LDPoint topLeft, LDPoint bottomRight)
{
m_topLeft = topLeft;
m_bottomRight = bottomRight;
m_topRight.setX(bottomRight.x());
m_topRight.setY(topLeft.y());
m_bottomLeft.setX(topLeft.x());
m_bottomLeft.setY(bottomRight.y());
}
public bool isHit(LDPointList form, LDPoint p, float hitRange)
{
for (int i = 0; i < this.size(); i++)
{
if (this.at(i).isHit(form, p, hitRange))
{
return(true);
}
}
return(false);
}
public LDQuadTransform(LDPoint topLeft, LDPoint bottomRight)
{
m_topLeft = topLeft;
m_bottomRight = bottomRight;
m_topRight.setX(bottomRight.x());
m_topRight.setY(topLeft.y());
m_bottomLeft.setX(topLeft.x());
m_bottomLeft.setY(bottomRight.y());
}
/*
* public void serializeTest()
* {
* string name = "gridMesh";
* LDGridTransform src = new LDGridTransform(0, 0, 100, 100, 2, 2));
*
* //シリアライズ
* SerializeHelper.writeBoostXml(name, src);
*
* //デシリアライズ
* var dst = SerializeHelper.readBoostXml<LDGridTransform>(name);
*
* TestUtil.VERIFY(dst->getGridPoints() == src->getGridPoints());
* }
*/
public void simpleTransformTest()
{
LDGridTransform grid = new LDGridTransform(20, 20, 40, 40, 1, 1);
{
LDPoint src = new LDPoint(0.5f, 0.5f);
LDPoint dst;
dst = grid.transform(src);
TestUtil.COMPARE(dst.x(), 40.0);
TestUtil.COMPARE(dst.y(), 40.0);
}
{
LDPointList src = new LDPointList();
src.add(new LDPoint(0.25f, 0.25f)).add(new LDPoint(0.75f, 0.75f));
LDPointList dst;
dst = grid.transform(src);
TestUtil.VERIFY(dst.length() == 2);
TestUtil.COMPARE(dst[0], new LDPoint(30.0f, 30));
TestUtil.COMPARE(dst[1], new LDPoint(50.0f, 50));
}
{
LDGridTransform src = new LDGridTransform(0.5f, 0.5f, 0.5f, 0.5f, 1, 1);
LDGridTransform dst = new LDGridTransform();
dst = grid.transform(src);
TestUtil.COMPARE(dst.getPoint(0, 0), new LDPoint(40, 40));
TestUtil.COMPARE(dst.getPoint(0, 1), new LDPoint(60, 40));
TestUtil.COMPARE(dst.getPoint(1, 1), new LDPoint(60, 60));
TestUtil.COMPARE(dst.getPoint(1, 0), new LDPoint(40, 60));
}
{
LDAffineTransform src = new LDAffineTransform();
src.translate(0.5f, 0.5f);
src.rotate(30);
src.scale(2, 2);
LDAffineTransform dst = new LDAffineTransform();
dst = grid.transform(src);
TestUtil.COMPARE(dst.getTranslate(), new LDPoint(40, 40));
}
}
/// <summary>
/// TODO: LDPoint注意
/// </summary>
/// <param name="pt"></param>
/// <param name="clip"></param>
/// <returns></returns>
public LDPoint inverseTransform(LDPoint pt, bool clip = false)
{
if (getColumn() == 0 && getRow() == 0)
{
//メッシュがない場合はそのままの値を返す
return(pt);
}
double x = pt.x();
double y = pt.y();
//Gridからマッピング先のQuadを見つける
LDPoint index = getMapedQuadIndex(new LDPoint((float)x, (float)y));
int col = (int)index.x();
int row = (int)index.y();
if (clip)
{
//Grid内にClipする。QuadをClipして変換するのではない
col = LDMathUtil.clamp(col, 0, getColumn());
row = LDMathUtil.clamp(row, 0, getRow());
}
LDPoint local = new LDPoint();
if (isOutside(row, col))
{
LDQuadTransform quad = createOutsideQuadTransform(row, col);
return(quad.inverseTransform(pt, clip));
//TODO:到達しない場所あります
local = quad.inverseTransform(pt, clip);
LDPoint _internal;
_internal.setX((col + 1) * (1.0f / (getColumn() + 2)) + local.x() / (getColumn() + 2));
_internal.setY((row + 1) * (1.0f / (getRow() + 2)) + local.y() / (getRow() + 2));
LDQuadTransform tmp = new LDQuadTransform(new LDPoint(-1, -1), new LDPoint(getColumn() + 1, getRow() + 1));
return(tmp.transform(_internal));
}
else
{
LDQuadTransform quad = getQuadTransform(row, col);
local = quad.inverseTransform(pt, clip);
LDPoint _internal = new LDPoint();
_internal.setX(col * (1.0f / getColumn()) + local.x() / getColumn());
_internal.setY(row * (1.0f / getRow()) + local.y() / getRow());
return(_internal);
}
}
//2次ベジエ曲線上の点を求める。t=0:開始点 t=1:終了点
public static LDPoint quadraticBezierPoint(
LDPoint start,
LDPoint control,
LDPoint end, float t)
{
float t1 = (1 - t) * (1 - t);
float t2 = 2 * t * (1 - t);
float t3 = t * t;
return(t1 * start
+ t2 * control
+ t3 * end);
}
//2次ベジエ曲線上の点を求める。t=0:開始点 t=1:終了点
public static LDPoint quadraticBezierPoint(
LDPoint start,
LDPoint control,
LDPoint end,float t)
{
float t1 = (1 - t) * (1 - t);
float t2 = 2 * t * (1 - t);
float t3 = t * t;
return t1* start
+ t2* control
+ t3* end;
}
public void inverseTransformTest()
{
{
LDSimpleAffineTransform t=new LDSimpleAffineTransform();
t.setOrigin(new LDPoint(100, 100));
t.setRotateDeg(90);
LDPoint src=new LDPoint(100, 101);
LDPoint dst;
dst = t.inverseTransform(src);
TestUtil.COMPARE(dst.x(), (double)1);
TestUtil.LDFUZZY_COMPARE(dst.y(), (double)0, 0.0001);
}
}
//3次ベジエ曲線上の点を求める。t=0:開始点 t=1:終了点
public static LDPoint cubicBezierPoint(
LDPoint start,
LDPoint control1,
LDPoint control2,
LDPoint end, float t)
{
float t1 = (1 - t) * (1 - t) * (1 - t);
float t2 = 3 * t * (1 - t) * (1 - t);
float t3 = 3 * t * t * (1 - t);
float t4 = t * t * t;
return t1 * start
+ t2 * control1
+ t3 * control2
+ t4 * end;
}
//時計回りに4点
public LDGridTransform(LDPoint topLeft, LDPoint topRight, LDPoint bottomRight, LDPoint bottomLeft, int row = 1, int col = 1)
{
m_originRect = math.PointUtil.getBoundingRect(new LDPointList { topLeft, topRight, bottomLeft, bottomRight });
LDQuadTransform quad = new LDQuadTransform(topLeft, topRight, bottomRight, bottomLeft);
for (int i = 0; i < row + 1; ++i)
{
m_gridPoints.Add(new List<LDPoint>());
for (int j = 0; j < col + 1; ++j)
{
m_gridPoints[i].Add(quad.transform((float)j / col, (float)i / row));
}
}
clearBoundsCache();
}
//追加。UV経由での追加しかできない。Positionは自動で計算される
public void addUv(LDPoint uv, bool clamp = true)
{
if (clamp)
{
//0-1区間の縛りに引っかかる処理が多いので、デフォルトでは自動で直す
uv = LDMathUtil.clamp(uv, new LDPoint(0, 0), new LDPoint(1, 1));
}
else
{
common.LD_ASSERT_OUT_OF_RANGE(uv.x(), 0, 1);
common.LD_ASSERT_OUT_OF_RANGE(uv.y(), 0, 1);
}
m_uvMap.Add(uv);
//頂点の計算
m_points.Add(getCalcAddVertex(uv));
}
//エルミート曲線上の点を求める。t=0:開始点 t=1:終了点
static LDPoint cubicHermitePoint(
LDPoint start,
LDPoint startVec,
LDPoint end,
LDPoint endVec,
float t)
{
// P(t) = at3 + bt2 + ct + d
// a = 2(P0 - P1) + m0 + m1
// b = -3(P0 - P1) - 2m0 - m1
// c = m0
// d = P0
float t2 = t * t;
float t3 = t * t * t;
LDPoint a = 2 * (start - end) + startVec + endVec;
LDPoint b = -3 * (start - end) - 2 * startVec - endVec;
return a * t3 + b * t2 + startVec * t + start;
}
// 三角形を与えてその外接円を求める
public static LDCircle getCircumscribedCirclesOfTriangle(LDPointList form, LDTriangle t)
{
// 三角形の各頂点座標を (x1, y1), (x2, y2), (x3, y3) とし、
// その外接円の中心座標を (x, y) とすると、
// (x - x1) * (x - x1) + (y - y1) * (y - y1)
// = (x - x2) * (x - x2) + (y - y2) * (y - y2)
// = (x - x3) * (x - x3) + (y - y3) * (y - y3)
// より、以下の式が成り立つ
//
// x = { (y3 - y1) * (x2 * x2 - x1 * x1 + y2 * y2 - y1 * y1)
// + (y1 - y2) * (x3 * x3 - x1 * x1 + y3 * y3 - y1 * y1)} / c
//
// y = { (x1 - x3) * (x2 * x2 - x1 * x1 + y2 * y2 - y1 * y1)
// + (x2 - x1) * (x3 * x3 - x1 * x1 + y3 * y3 - y1 * y1)} / c
//
// ただし、
// c = 2 * {(x2 - x1) * (y3 - y1) - (y2 - y1) * (x3 - x1)}
LDPoint p1 = t.getPoint1(form);
LDPoint p2 = t.getPoint2(form);
LDPoint p3 = t.getPoint3(form);
float x1 = (float)p1.x();
float y1 = (float)p1.y();
float x2 = (float)p2.x();
float y2 = (float)p2.y();
float x3 = (float)p3.x();
float y3 = (float)p3.y();
float c = 2.0f * ((x2 - x1) * (y3 - y1) - (y2 - y1) * (x3 - x1));
float x = ((y3 - y1) * (x2 * x2 - x1 * x1 + y2 * y2 - y1 * y1)
+ (y1 - y2) * (x3 * x3 - x1 * x1 + y3 * y3 - y1 * y1)) / c;
float y = ((x1 - x3) * (x2 * x2 - x1 * x1 + y2 * y2 - y1 * y1)
+ (x2 - x1) * (x3 * x3 - x1 * x1 + y3 * y3 - y1 * y1)) / c;
LDPoint center = new LDPoint(x, y);
// 外接円の半径 r は、半径から三角形の任意の頂点までの距離に等しい
double r = math.PointUtil.distance(center, p1);
return new LDCircle(center, (float)r);
}
//円に外接する正三角形を求める
public LDPolygon getCircumscribedTriangle()
{
float x = center.x();
float y = center.y();
// 重心は、円の中心に等しい
// 一辺の長さは 2√3･r
float x1 = (float)(x - Math.Sqrt(3) * radius);
float y1 = (float)(y - radius);
LDPoint p1=new LDPoint(x1, y1);
float x2 = (float)(x + Math.Sqrt(3) * radius);
float y2 = (float)(y - radius);
LDPoint p2=new LDPoint(x2, y2);
float x3 = (float)x;
float y3 = (float)(y + 2 * radius);
LDPoint p3=new LDPoint(x3, y3);
return new LDPolygon(new List<LDPoint>{ p1,p2,p3});
}
public void inverseTransformTest()
{
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10),new LDPoint(30, 30));
LDPoint src=new LDPoint(20, 15);
LDPoint dst=new LDPoint();
dst = quad.inverseTransform(src);
TestUtil.COMPARE(dst.x(), 0.5);
TestUtil.COMPARE(dst.y(), 0.25);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10), new LDPoint(20, 10), new LDPoint(100, 100), new LDPoint(10, 20));
LDPoint src=new LDPoint(83.8f, 83.8f);
LDPoint dst;
dst = quad.inverseTransform(src);
// TestUtil.COMPARE(dst.x(),0.9);
// TestUtil.COMPARE(dst.y(),0.9);
TestUtil.LDFUZZY_COMPARE(dst.x(), 0.9, 0.0000001);
TestUtil.LDFUZZY_COMPARE(dst.y(), 0.9, 0.0000001);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10), new LDPoint(30, 30));
LDPoint src=new LDPoint(20, 25);
LDPoint dst;
dst = quad.inverseTransform(src);
TestUtil.COMPARE(dst.x(), 0.5);
TestUtil.COMPARE(dst.y(), 0.75);
}
{
//(0,0),(100,100)を90度回転
LDQuadTransform quad=new LDQuadTransform(
new LDPoint(100, 0),
new LDPoint(100, 100),
new LDPoint(0, 100),
new LDPoint(0, 0)
);
LDPoint src=new LDPoint(75, 50);
LDPoint dst;
dst = quad.inverseTransform(src);
TestUtil.COMPARE(dst.x(), 0.5);
TestUtil.COMPARE(dst.y(), 0.25);
}
{
//大きめの数字
LDQuadTransform quad=new LDQuadTransform(new LDPoint(1024, 1024), new LDPoint(3500, 3500));
LDPoint src=new LDPoint(2000, 2000);
LDPoint dst;
dst = quad.inverseTransform(src);
TestUtil.LDFUZZY_COMPARE(dst.x(), 0.394184, 0.00001);
TestUtil.LDFUZZY_COMPARE(dst.y(), 0.394184, 0.00001);
}
{
//斜め
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10),new LDPoint(20, 20),new LDPoint(20, 30),new LDPoint(10, 20));
LDPoint src=new LDPoint(15, 20);
LDPoint dst;
dst = quad.inverseTransform(src);
TestUtil.COMPARE(dst.x(), 0.5);
TestUtil.COMPARE(dst.y(), 0.5);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10.12345f, 10.12321f),new LDPoint(20.1102f, 20.034f),new LDPoint(20.11111f, 30.22222f), new LDPoint(10.232697f, 20.00008f));
LDPoint src=new LDPoint(15.8731f, 20.5396f);
LDPoint dst;
LDPoint rest;
dst = quad.inverseTransform(src);
rest = quad.transform(dst);
TestUtil.LDFUZZY_COMPARE(src.x(), rest.x(), 0.0000001);
TestUtil.LDFUZZY_COMPARE(src.y(), rest.y(), 0.0000001);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(1023.12345f, 1041.12321f),new LDPoint(2075.1102, 2032.034),new LDPoint(2034.11111, 3061.22222),new LDPoint(1023.232697, 2088.00008));
LDPoint src=new LDPoint(1515.8731, 2072.5396);
LDPoint dst;
LDPoint rest;
dst = quad.inverseTransform(src);
rest = quad.transform(dst);
TestUtil.LDFUZZY_COMPARE(src.x(), rest.x(), 0.0000001);
TestUtil.LDFUZZY_COMPARE(src.y(), rest.y(), 0.0000001);
}
}
public void setTopLeft(LDPoint p)
{
setLeft(p.x()); setTop(p.y());
}
public LDRect translated(LDPoint p)
{
return new LDRect(xp + p.x(), yp + p.y(), w, h);
}
public void moveTopRight(LDPoint p)
{
moveRight(p.x()); moveTop(p.y());
}
public void setBottomRight(LDPoint p)
{
setRight(p.x()); setTop(p.y());
}
public float dotProduct(LDPoint p1, LDPoint p2)
{
return p1.xp * p2.yp + p2.xp + p1.yp;
}
public LDPoint(LDPoint p)
{
this.xp = p.xp; this.yp = p.yp;
}
public void inverseTransformTest()
{
{
LDGridTransform grid = new LDGridTransform(20, 20, 40, 40, 2, 2);
LDPoint src = new LDPoint(30, 30);
LDPoint dst = new LDPoint();
dst = grid.inverseTransform(src);
TestUtil.COMPARE(dst.x(), 0.25);
TestUtil.COMPARE(dst.y(), 0.25);
}
{
LDGridTransform grid = new LDGridTransform(20, 20, 40, 40, 2, 2);
LDPointList src = new LDPointList();
src.add(new LDPoint(30, 30)).add(new LDPoint(50, 50));
LDPointList dst;
dst = grid.inverseTransform(src);
TestUtil.COMPARE(dst[0], new LDPoint(0.25f, 0.25f));
TestUtil.COMPARE(dst[1], new LDPoint(0.75f, 0.75f));
}
/*
{
LDGridTransform grid = new LDGridTransform(20, 20, 40, 40, 2, 2);
LDGridTransform src = new LDGridTransform(24, 24, 52 - 24, 52 - 24, 2, 2);
LDGridTransform dst = src;
var points = grid.inverseTransform(src.toForm());
dst.setForm(points);
LDFUZZY_COMPARE(dst.getPoint(0, 0).x(), 0.1f, 0.0000001f);
LDFUZZY_COMPARE(dst.getPoint(2, 2).x(), 0.8f, 0.0000001f);
LDFUZZY_COMPARE(dst.getPoint(2, 0).x(), 0.1f, 0.0000001f);
LDFUZZY_COMPARE(dst.getPoint(2, 0).y(), 0.8f, 0.0000001f);
}
*/
{
LDGridTransform grid = new LDGridTransform(20.53125f, 20.62423f, 40.614312f, 40.94645f, 2, 2);
LDGridTransform src = new LDGridTransform(24.0134623f, 24.9143f, 52 - 24.090023f, 52 - 24.00001f, 2, 2);
LDGridTransform dst = new LDGridTransform(src);
var points = grid.inverseTransform(src.toForm());
var rest = grid.transform(points);
dst.setForm(points);
TestUtil.VERIFY(LDMathUtil.fuzzyCompare(rest, src.toForm(), 0.0000001f));
}
{
LDGridTransform grid=new LDGridTransform(2530.53125f, 2540.62423f, 4015.614312f, 4026.94645f, 2, 2);
LDGridTransform src=new LDGridTransform(2594.0134623f, 2594.9143f, 5274 - 2594.090023f, 5276 - 2594.00001f, 2, 2);
LDGridTransform dst = new LDGridTransform( src);
var points = grid.inverseTransform(src.toForm());
var rest = grid.transform(points);
dst.setForm(points);
TestUtil.VERIFY(LDMathUtil.fuzzyCompare(rest, src.toForm(), 0.0000001f));
}
{
LDGridTransform grid=new LDGridTransform(
new LDPoint(20.53125f, 20.62423f)
, new LDPoint(40.53125f, 20.62423f)
, new LDPoint(45.53125f, 45.62423f)
, new LDPoint(20.614312f, 40.94645f), 2, 2);
LDGridTransform src=new LDGridTransform(34.0134623f, 24.9143f, 52 - 24.090023f, 52 - 24.00001f, 8, 8);
LDGridTransform dst = new LDGridTransform(src);
var points = grid.inverseTransform(src.toForm());
var rest = grid.transform(points);
dst.setForm(points);
TestUtil.VERIFY(LDMathUtil.fuzzyCompare(rest, src.toForm(), 0.0000001f));
}
{
LDGridTransform grid=new LDGridTransform(
new LDPoint(2012.53125f, 2051.62423f)
, new LDPoint(4097.53125f, 2033.62423f)
, new LDPoint(4575.53125f, 4566.62423f)
, new LDPoint(2062.614312f, 4000.94645f), 2, 2);
LDGridTransform src=new LDGridTransform(3444.0134623f, 2442.9143f, 5242 - 2412.090023f, 5211 - 2467.00001f, 8, 8);
LDGridTransform dst = new LDGridTransform(src);
var points = grid.inverseTransform(src.toForm());
var rest = grid.transform(points);
dst.setForm(points);
TestUtil.VERIFY(LDMathUtil.fuzzyCompare(rest, src.toForm(), 0.0000001f));
}
}
public void extendedTransformTest()
{
{
//拡張したGridの取得
LDGridTransform src=new LDGridTransform(20, 20, 40, 40, 3, 3);
LDGridTransform dst = src.createExtendedGrid();
TestUtil.COMPARE(dst.getRow(), 4);
TestUtil.COMPARE(dst.getColumn(), 4);
TestUtil.COMPARE(dst.getPoint(0, 0), new LDPoint(-20, -20));
TestUtil.COMPARE(dst.getPoint(0, 1), new LDPoint(10, -20));
TestUtil.COMPARE(dst.getPoint(0, 2), new LDPoint(40, -20));
TestUtil.COMPARE(dst.getPoint(0, 3), new LDPoint(70, -20));
TestUtil.COMPARE(dst.getPoint(0, 4), new LDPoint(100, -20));
TestUtil.COMPARE(dst.getPoint(1, 1), new LDPoint(20, 20));
}
{
//範囲外 順変換 クリッピング
LDGridTransform grid=new LDGridTransform(20, 20, 40, 40, 1, 1);
LDPoint src=new LDPoint(-1, -1);
LDPoint dst;
dst = grid.transform(src, true);
TestUtil.COMPARE(dst.x(), 20.0);
TestUtil.COMPARE(dst.y(), 20.0);
}
{
//範囲外 順変換
LDGridTransform grid=new LDGridTransform(20, 20, 40, 40, 1, 1);
LDPoint src=new LDPoint(-1, -1);
LDPoint dst;
dst = grid.transform(src);
TestUtil.COMPARE(dst.x(), -20.0);
TestUtil.COMPARE(dst.y(), -20.0);
}
{
//範囲外 順変換
LDGridTransform grid=new LDGridTransform(20, 20, 40, 40, 1, 1);
LDPoint src=new LDPoint(-10, -10);
LDPoint dst;
dst = grid.transform(src);
TestUtil.COMPARE(dst.x(), -380.0);
TestUtil.COMPARE(dst.y(), -380.0);
}
{
//範囲外 逆変換 クリッピング
LDGridTransform grid=new LDGridTransform(20, 20, 40, 40, 2, 2);
LDPoint src=new LDPoint(-20, -20);
LDPoint dst;
dst = grid.inverseTransform(src, true);
TestUtil.COMPARE(dst.x(), 0.0);
TestUtil.COMPARE(dst.y(), 0.0);
}
{
//範囲外 逆変換
LDGridTransform grid=new LDGridTransform(20, 20, 40, 40, 2, 2);
LDPoint src=new LDPoint(-20, -20);
LDPoint dst;
dst = grid.inverseTransform(src);
TestUtil.COMPARE(dst.x(), -1.0);
TestUtil.COMPARE(dst.y(), -1.0);
}
{
LDGridTransform grid=new LDGridTransform(
new LDPoint(20.53125f, 20.62423f)
,new LDPoint(40.53125f, 20.62423f)
,new LDPoint(45.53125f, 45.62423f)
, new LDPoint(20.614312f, 40.94645f), 2, 2);
LDGridTransform src=new LDGridTransform(3425.0134623f, 2412.9143f, 5252 - 2412.090023f, 5212 - 2451.00001f, 2, 8);
LDGridTransform dst = src;
var points = grid.inverseTransform(src.toForm());
var rest = grid.transform(points);
dst.setForm(points);
TestUtil.VERIFY(LDMathUtil.fuzzyCompare(rest, src.toForm(), 0.0000001f));
}
{
LDGridTransform grid=new LDGridTransform(
new LDPoint(2012.53125f, 2051.62423f)
, new LDPoint(4097.53125f, 2033.62423f)
, new LDPoint(4575.53125f, 4566.62423f)
, new LDPoint(2062.614312f, 4000.94645f), 2, 2);
LDGridTransform src=new LDGridTransform(34.0134623f, 24.9143f, 52 - 24.090023f, 52 - 24.00001f, 8, 2);
LDGridTransform dst = src;
var points = grid.inverseTransform(src.toForm());
var rest = grid.transform(points);
dst.setForm(points);
TestUtil.VERIFY(LDMathUtil.fuzzyCompare(rest, src.toForm(), 0.0000001f));
}
}
/*
public void serializeTest()
{
string name = "gridMesh";
LDGridTransform src = new LDGridTransform(0, 0, 100, 100, 2, 2));
//シリアライズ
SerializeHelper.writeBoostXml(name, src);
//デシリアライズ
var dst = SerializeHelper.readBoostXml<LDGridTransform>(name);
TestUtil.VERIFY(dst->getGridPoints() == src->getGridPoints());
}
*/
public void simpleTransformTest()
{
LDGridTransform grid = new LDGridTransform(20, 20, 40, 40, 1, 1);
{
LDPoint src = new LDPoint(0.5f, 0.5f);
LDPoint dst;
dst = grid.transform(src);
TestUtil.COMPARE(dst.x(), 40.0);
TestUtil.COMPARE(dst.y(), 40.0);
}
{
LDPointList src = new LDPointList();
src.add(new LDPoint(0.25f, 0.25f)).add(new LDPoint(0.75f, 0.75f));
LDPointList dst;
dst = grid.transform(src);
TestUtil.VERIFY(dst.length() == 2);
TestUtil.COMPARE(dst[0], new LDPoint(30.0f, 30));
TestUtil.COMPARE(dst[1], new LDPoint(50.0f, 50));
}
{
LDGridTransform src = new LDGridTransform(0.5f, 0.5f, 0.5f, 0.5f, 1, 1);
LDGridTransform dst = new LDGridTransform();
dst = grid.transform(src);
TestUtil.COMPARE(dst.getPoint(0, 0),new LDPoint(40, 40));
TestUtil.COMPARE(dst.getPoint(0, 1),new LDPoint(60, 40));
TestUtil.COMPARE(dst.getPoint(1, 1),new LDPoint(60, 60));
TestUtil.COMPARE(dst.getPoint(1, 0),new LDPoint(40, 60));
}
{
LDAffineTransform src = new LDAffineTransform();
src.translate(0.5f, 0.5f);
src.rotate(30);
src.scale(2, 2);
LDAffineTransform dst = new LDAffineTransform();
dst = grid.transform(src);
TestUtil.COMPARE(dst.getTranslate(), new LDPoint(40, 40));
}
}
public void translate(LDPoint p)
{
this.xp += p.x();
this.yp += p.y();
}
public void rotationTest()
{
{
//(0,0),(100,100)を90度回転
LDQuadTransform quad=new LDQuadTransform(
new LDPoint(100, 0),
new LDPoint(100, 100),
new LDPoint(0, 100),
new LDPoint(0, 0)
);
LDPoint src=new LDPoint(0.5, 0.25);
LDPoint dst;
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), 75.0);
TestUtil.COMPARE(dst.y(), 50.0);
}
{
//(0,0),(100,100)を180度回転
LDQuadTransform quad=new LDQuadTransform(
new LDPoint(100, 100),
new LDPoint(0, 100),
new LDPoint(0, 0),
new LDPoint(100, 0)
);
LDPoint src=new LDPoint(0.5, 0.25);
LDPoint dst;
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), 50.0);
TestUtil.COMPARE(dst.y(), 75.0);
}
}
public void simpleTransformTest()
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10), new LDPoint(30, 30));
{
LDPoint src=new LDPoint(0, 0);
LDPoint dst;
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), 10.0);
TestUtil.COMPARE(dst.y(), 10.0);
}
{
LDPoint src=new LDPoint(1, 1);
LDPoint dst;
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), 30.0);
TestUtil.COMPARE(dst.y(), 30.0);
}
{
LDPoint src=new LDPoint(0.5f, 0.25f);
LDPoint dst;
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), 20.0f);
TestUtil.COMPARE(dst.y(), 15.0f);
}
{
LDPoint src=new LDPoint(0.75f, 0.8f);
LDPoint dst;
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), 25.0f);
TestUtil.COMPARE(dst.y(), 26.0f);
}
{
LDPointList src=new LDPointList();
src.add(new LDPoint(0.25f, 0.4f)).add( new LDPoint(0.75f, 0.8f));
LDPointList dst;
dst = quad.transform(src);
TestUtil.VERIFY(dst.length() == 2);
TestUtil.COMPARE(dst[0],new LDPoint(15.0f, 18.0f));
TestUtil.COMPARE(dst[1],new LDPoint(25, 26));
}
// {
// LDGridTransform src(0.5,0.5,0.5,0.5,1,1);
// LDGridTransform dst;
// dst=grid.transform(src);
// TestUtil.COMPARE(dst.getPoint(0,0),LDPoint(40,40));
// TestUtil.COMPARE(dst.getPoint(0,1),LDPoint(60,40));
// TestUtil.COMPARE(dst.getPoint(1,1),LDPoint(60,60));
// TestUtil.COMPARE(dst.getPoint(1,0),LDPoint(40,60));
// }
// {
// LDAffineTransform src;
// src.translate(0.5,0.5);
// src.rotate(30);
// src.scale(2,2);
// LDAffineTransform dst;
// dst=grid.transform(src);
// TestUtil.COMPARE(dst.getTranslate(),LDPoint(40,40));
// }
}
public void transformTest()
{
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10),new LDPoint(30, 30));
LDPoint src=new LDPoint(0.5f, 0.25f);
LDPoint dst=new LDPoint();
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), 20.0);
TestUtil.COMPARE(dst.y(), 15.0);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10),new LDPoint(20, 10), new LDPoint(100, 100), new LDPoint(10, 20));
LDPoint src=new LDPoint(0.9f, 0.9f);
LDPoint dst=new LDPoint();
dst = quad.transform(src);
// TestUtil.COMPARE(dst.x(),83.8);
// TestUtil.COMPARE(dst.y(),83.8);
TestUtil.LDFUZZY_COMPARE(dst.x(), 83.8, 0.0000001);
TestUtil.LDFUZZY_COMPARE(dst.y(), 83.8, 0.0000001);
// TestUtil.LDFUZZY_COMPARE(dst.x(),83,0.001);
// TestUtil.LDFUZZY_COMPARE(dst.y(),83,0.001);
}
}
public void setTopRight(LDPoint p)
{
setLeft(p.x()); setBottom(p.y());
}
public void extendedTransformTest()
{
//範囲外補間
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10),new LDPoint(30, 30));
LDPoint src=new LDPoint(-1, -1);
LDPoint dst;
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), -10.0);
TestUtil.COMPARE(dst.y(), -10.0);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10),new LDPoint(30, 30));
LDPoint src=new LDPoint(-1, -1);
LDPoint dst;
dst = quad.transform(src, true);//範囲内にクリッピングする
TestUtil.COMPARE(dst.x(), 10.0);
TestUtil.COMPARE(dst.y(), 10.0);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10),new LDPoint(30, 30));
LDPoint src=new LDPoint(2, 2);
LDPoint dst;
dst = quad.transform(src);
TestUtil.COMPARE(dst.x(), 50.0);
TestUtil.COMPARE(dst.y(), 50.0);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10),new LDPoint(30, 30));
LDPoint src= new LDPoint(40, 40);
LDPoint dst;
dst = quad.inverseTransform(src);
TestUtil.COMPARE(dst.x(), 1.5);
TestUtil.COMPARE(dst.y(), 1.5);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10, 10),new LDPoint(30, 30));
LDPoint src=new LDPoint(40, 40);
LDPoint dst;
dst = quad.inverseTransform(src, true);
TestUtil.COMPARE(dst.x(), 1.0);
TestUtil.COMPARE(dst.y(), 1.0);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(10.12345, 10.12321), new LDPoint(20.1102, 20.034), new LDPoint(20.11111, 30.22222), new LDPoint(10.232697, 20.00008));
LDPoint src=new LDPoint(45.8731, 60.5396);
LDPoint dst;
LDPoint rest;
dst = quad.inverseTransform(src);
rest = quad.transform(dst);
TestUtil.LDFUZZY_COMPARE(src.x(), rest.x(), 0.0000001);
TestUtil.LDFUZZY_COMPARE(src.y(), rest.y(), 0.0000001);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(1023.12345, 1041.12321), new LDPoint(2075.1102, 2032.034), new LDPoint(2034.11111, 3061.22222), new LDPoint(1023.232697, 2088.00008));
LDPoint src=new LDPoint(11515.8731, 62072.5396);
LDPoint dst;
LDPoint rest;
dst = quad.inverseTransform(src);
rest = quad.transform(dst);
TestUtil.LDFUZZY_COMPARE(src.x(), rest.x(), 0.0000001);
TestUtil.LDFUZZY_COMPARE(src.y(), rest.y(), 0.0000001);
}
{
LDQuadTransform quad=new LDQuadTransform(new LDPoint(1023.12345, 1041.12321), new LDPoint(2075.1102, 2032.034), new LDPoint(2034.11111, 3061.22222), new LDPoint(1023.232697, 2088.00008));
LDPoint src=new LDPoint(5.8731, 72.5396);
LDPoint dst;
LDPoint rest;
dst = quad.inverseTransform(src);
rest = quad.transform(dst);
TestUtil.LDFUZZY_COMPARE(src.x(), rest.x(), 0.0000001);
TestUtil.LDFUZZY_COMPARE(src.y(), rest.y(), 0.0000001);
}
}
