int UVW_ChannelClass::EdgeIntersect(Point3 p, float threshold, int i1,int i2)
{
static int startEdge = 0;
if (startEdge >= ePtrList.Count()) startEdge = 0;
if (ePtrList.Count() == 0) return -1;
int ct = 0;
BOOL done = FALSE;
int hitEdge = -1;
while (!done)
{
//check bounding volumes
Box3 bounds;
bounds.Init();
int index1 = ePtrList[startEdge]->a;
int index2 = ePtrList[startEdge]->b;
if (v[index1].IsHidden() && v[index2].IsHidden())
{
}
else if (v[index1].IsFrozen() && v[index1].IsFrozen())
{
}
else
{
Point3 p1(0.0f,0.0f,0.0f);
p1[i1] = v[index1].GetP()[i1];
p1[i2] = v[index1].GetP()[i2];
// p1.z = 0.0f;
bounds += p1;
Point3 p2(0.0f,0.0f,0.0f);
p2[i1] = v[index2].GetP()[i1];
p2[i2] = v[index2].GetP()[i2];
// p2.z = 0.0f;
bounds += p2;
bounds.EnlargeBy(threshold);
if (bounds.Contains(p))
{
//check edge distance
if (LineToPoint(p, p1, p2) < threshold)
{
hitEdge = startEdge;
done = TRUE;
// LineToPoint(p, p1, p2);
}
}
}
ct++;
startEdge++;
if (ct == ePtrList.Count()) done = TRUE;
if (startEdge >= ePtrList.Count()) startEdge = 0;
}
return hitEdge;
}
void PointGatherer::AddWeightFromSegment(Point3 a, float radiusA, float strA,
Point3 b, float radiusB, float strB, ICurve *pCurve,
BOOL additveMode, BOOL isMirror,
float currentLength)
{
float segLength = Length(a-b);
//get the bounding box from the segment
Box3 bounds;
bounds.Init();
bounds += a;
bounds += b;
if (radiusA > radiusB)
bounds.EnlargeBy(radiusA);
else bounds.EnlargeBy(radiusB);
int startX, endX;
int startY, endY;
int startZ, endZ;
startX = (bounds.pmin.x - upperLeft.x)/xOffset;
startY= (bounds.pmin.y - upperLeft.y)/yOffset;
startZ= (bounds.pmin.z - upperLeft.z)/zOffset;
endX = (bounds.pmax.x - upperLeft.x)/xOffset;
endY= (bounds.pmax.y - upperLeft.y)/yOffset;
endZ= (bounds.pmax.z - upperLeft.z)/zOffset;
//need to constrains the indices since a brush envelope can exist past our bounds
if (startX < 0) startX = 0;
if (startX >= width) startX = width-1;
if (endX < 0) endX = 0;
if (endX >= width) endX = width-1;
if (startY < 0) startY = 0;
if (startY >= width) startY = width-1;
if (endY < 0) endY = 0;
if (endY >= width) endY = width-1;
if (startZ < 0) startZ = 0;
if (startZ >= width) startZ = width-1;
if (endZ < 0) endZ = 0;
if (endZ >= width) endZ = width-1;
//get all the cells that intersect with the bounding box
//loop through those points adding weight to em if they are within the envelope
float u = 0.0f;
float dist = 0.0f;
float envDist = 0.0f;
/*
//Brute force method checks against every point
for (int i = 0; i < cellData.Count(); i++)
{
for (int j = 0; j < cellElementCount[i]; j++)
{
Point3 p = *cellData[i].p[j];
dist = LineToPoint(p,a,b,u);
envDist = radiusA + ((radiusB-radiusA) * u);
if (dist <= envDist)
{
//DebugPrint("dist %f envdist %f\n",dist,envDist);
float weight = 1.0f - dist/envDist;
float str = (strA + ((strB-strA) * u)) * weight;
float listWeight = cellData[i].weight[j];
if (weight > listWeight)
{
cellData[i].str[j] = str;
cellData[i].weight[j] = weight;
}
}
}
}
*/
//checks against cells first then those points only within the hit cells
//2 d gather
/*
for (int i = startY; i <= endY; i++)
{
int currentCell = i * width;
for (int j = startX; j <= endX; j++)
{
if (CellDataXY[currentCell+j])
{
for (int k = 0; k < CellDataXY[currentCell+j]->whichPoint.Count(); k++)
{
int whichPoint = CellDataXY[currentCell+j]->whichPoint[k];
int whichNode = CellDataXY[currentCell+j]->whichNode[k];
Point3 p = *cellData[whichNode].p[whichPoint];
dist = LineToPoint(p,a,b,u);
envDist = radiusA + ((radiusB-radiusA) * u);
if (dist <= envDist)
{
//DebugPrint("dist %f envdist %f\n",dist,envDist);
float weight = 1.0f - dist/envDist;
float str = (strA + ((strB-strA) * u)) * weight;
float listWeight = cellData[whichNode].weight[whichPoint];
if (weight > listWeight)
{
cellData[whichNode].str[whichPoint] = str;
cellData[whichNode].weight[whichPoint] = weight;
}
}
}
}
}
}
*/
for (int i = 0; i < cellData.Count(); i++)
{
int* countAmount = cellData[i].count;
memset(countAmount,0,cellElementCount[i]*sizeof(int));
/* for (int j = 0; j < cellElementCount[i]; j++)
{
*countAmount = 0;
countAmount++;
}
*/
}
// 3 d gather
//in xy
for (i = startY; i <= endY; i++)
{
int currentCell = i * width;
for (int j = startX; j <= endX; j++)
{
if (CellDataXY[currentCell+j])
{
for (int k = 0; k < CellDataXY[currentCell+j]->whichPoint.Count(); k++)
{
int whichPoint = CellDataXY[currentCell+j]->whichPoint[k];
int whichNode = CellDataXY[currentCell+j]->whichNode[k];
cellData[whichNode].count[whichPoint]++;
}
}
}
}
//in yz
for (i = startZ; i <= endZ; i++)
{
int currentCell = i * width;
for (int j = startY; j <= endY; j++)
{
if (CellDataYZ[currentCell+j])
{
for (int k = 0; k < CellDataYZ[currentCell+j]->whichPoint.Count(); k++)
{
int whichPoint = CellDataYZ[currentCell+j]->whichPoint[k];
int whichNode = CellDataYZ[currentCell+j]->whichNode[k];
cellData[whichNode].count[whichPoint]++;
}
}
}
}
//in xz
for ( i = startZ; i <= endZ; i++)
{
int currentCell = i * width;
for (int j = startX; j <= endX; j++)
{
if (CellDataXZ[currentCell+j])
{
for (int k = 0; k < CellDataXZ[currentCell+j]->whichPoint.Count(); k++)
{
int whichPoint = CellDataXZ[currentCell+j]->whichPoint[k];
int whichNode = CellDataXZ[currentCell+j]->whichNode[k];
cellData[whichNode].count[whichPoint]++;
}
}
}
}
for ( i = 0; i < cellData.Count(); i++)
{
int* countAmount = cellData[i].count;
for (int j = 0; j < cellElementCount[i]; j++)
{
if (*countAmount == 3)
{
int whichPoint = j;
int whichNode =i;
Point3 p = cellData[whichNode].p[whichPoint];
dist = LineToPoint(p,a,b,u);
envDist = radiusA + ((radiusB-radiusA) * u);
if (dist <= envDist)
{
float weight = 1.0f - dist/envDist;
float str = (strA + ((strB-strA) * u));
float listWeight = cellData[whichNode].weight[whichPoint];
if (additveMode)
{
pointGatherHitVerts[whichNode]->Set(whichPoint,TRUE);
cellData[whichNode].weight[whichPoint] += weight;
weight = pCurve->GetValue(0,1.0f-weight);
cellData[whichNode].str[whichPoint] += str*weight;
cellData[whichNode].u[whichPoint] = (currentLength + (u*segLength));
}
else if (weight > listWeight)
{
pointGatherHitVerts[whichNode]->Set(whichPoint,TRUE);
cellData[whichNode].weight[whichPoint] = weight;
weight = pCurve->GetValue(0,1.0f-weight);
cellData[whichNode].str[whichPoint] = str*weight;
cellData[whichNode].u[whichPoint] = (currentLength + (u*segLength));
}
//if first mirror
if ((isMirror) && (cellData[whichNode].isMirror[whichPoint] == NO_MIRRROR))
cellData[whichNode].isMirror[whichPoint] = MIRRRORED;
else if ((!isMirror) && (cellData[whichNode].isMirror[whichPoint] == MIRRRORED))
cellData[whichNode].isMirror[whichPoint] = MIRRROR_SHARED;
//if mirrored and now appliying a non mirror weight
}
}
countAmount++;
}
}
//DebugPrint("Solving Stroke %f %f %f \n",a.x,a.y,a.z);
//DebugPrint(" %f %f %f \n",b.x,b.y,b.z);
}
int TDrawingItem::CheckDrag(float x, float y, int size)
{
//ドラッグ開始可能かを調べる。ドラッグの種類を返す
m_fDragStartX = x;
m_fDragStartY = y;
memcpy(m_DragRect, m_Rect, sizeof(m_Rect));
//実座標へ変換
int rx = x * size;
int ry = y * size;
//4隅
for (int i = 0 ; i < 4 ; i++){
if (m_nType != 2 || i == 0 || i == 3){
if (rx >= size * m_Rect[(i % 2) * 2] - 4 &&
ry >= size * m_Rect[(i / 2) * 2 + 1] - 4 &&
rx < size * m_Rect[(i % 2) * 2] + 4 &&
ry < size * m_Rect[(i / 2) * 2 + 1] + 4){
return 0x10 | i;
}
}
}
//平行移動
switch(m_nType){
case 1://FreeHand
{
float w2 = m_Rect[2] - m_Rect[0];
float h2 = m_Rect[3] - m_Rect[1];
int result = 0;
if (w2 != 0.0f && h2 != 0.0f){
float *p = new float[Count];
for (int i = 0 ; i < Count / 2 ; i++){
int ix = (int)Items[i * 2];
float fx = *(float*)&ix;
int iy = (int)Items[i * 2 + 1];
float fy = *(float*)&iy;
p[i * 2] = m_Rect[0] + fx * w2;
p[i * 2 + 1] = m_Rect[1] + fy * h2;
}
for (int i = 1 ; i < Count / 2 ; i++){
if (LineToPoint(size * p[(i - 1) * 2], size * p[(i - 1) * 2 + 1], size * p[i * 2], size * p[i * 2 + 1], rx, ry) <= 4){
result = 0x01;
}
}
delete[] p;
}
if (result) {
return result;
}
}
break;
case 2://Line
if (LineToPoint(size * m_Rect[0], size * m_Rect[1], size * m_Rect[2], size * m_Rect[3], rx, ry) <= 4){
return 0x01;
}
break;
case 3://Box
if (LineToPoint(size * m_Rect[0], size * m_Rect[1], size * m_Rect[0], size * m_Rect[3], rx, ry) <= 4 ||
LineToPoint(size * m_Rect[0], size * m_Rect[1], size * m_Rect[2], size * m_Rect[1], rx, ry) <= 4 ||
LineToPoint(size * m_Rect[2], size * m_Rect[1], size * m_Rect[2], size * m_Rect[3], rx, ry) <= 4 ||
LineToPoint(size * m_Rect[0], size * m_Rect[3], size * m_Rect[2], size * m_Rect[3], rx, ry) <= 4){
return 0x01;
}
break;
case 4://Circle
{
if (m_Rect[3] - m_Rect[1] == 0.0f || m_Rect[2] - m_Rect[0] == 0.0f) {
//円が線状である場合
if (LineToPoint(size * m_Rect[0], size * m_Rect[1], size * m_Rect[2], size * m_Rect[3], rx, ry) <= 4){
return 0x01;
}
}else{
double xx = (m_Rect[3] - m_Rect[1]) / (m_Rect[2] - m_Rect[0]);//楕円を円にするためのXにかける係数
double cx = (m_Rect[2] + m_Rect[0]) * 0.5 * xx;//円にした場合のX座標中心
double cy = (m_Rect[3] + m_Rect[1]) * 0.5;//Y座標中心
double dx = x * xx;//円にした場合のカーソル位置
double dist = sqrt((dx - cx) * (dx - cx) + (y - cy) * (y - cy));//円にした場合の中心とカーソルの距離
double r = fabs(m_Rect[3] - m_Rect[1]) * 0.5;//円にした場合の半径
double rd = r / dist;//中心からカーソル位置にrdだけ近づけた点が円周上の点
double ccx = (cx * (1.0 - rd) + dx * rd) / xx;//円周上のX
double ccy = cy * (1.0 - rd) + y * rd;//円周上のY
if (sqrt((x - ccx) * (x - ccx) * size * size + (y - ccy) * (y - ccy) * size * size) <= 6){
//円周上の点からカーソル位置までの距離が小さければドラッグ
return 0x01;
}
}
}
break;
}
return 0;//ドラッグ不能
}