private IEnumerator SolveContactPoints()//对选中的模型计算接触点
{
yield return(new WaitForSeconds(0));
buttonGCP.interactable = false; //计算的时候不能再点击按钮
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch(); //记录开始时间
sw.Start();
textTimeCost.text = ""; //重新显示时间
sliderGCP.value = 0; //进度条归零
var selectedObjList = new List <ListNode>(); //选中对象们
var unselectedObjList = new List <ListNode>(); //未选中对象们
int totalSelectedObjVerticeNum = 0; //总的选中物体顶点数
int totalUnselectedObjVerticeNum = 0; //总的未选中物体顶点数
int totalSelectedObjTriangleNum = 0; //总的选中物体三角面片数,用来控制进度条显示
int totalUnselectedObjTriangleNum = 0; //总的未选中物体三角面片数
yield return(new WaitForSeconds(0));
foreach (var item in model3d.GetComponentsInChildren <SkinnedMeshRenderer>())//获得所有物体每个三角面片包围盒
{
var vertices = ObjManager.GetRealVertices(item);
var triangles = item.sharedMesh.triangles;
var boundsList = new List <Bounds>();
var objBounds = ObjManager.GetBoundsOfVector3Array(vertices);
if (item.tag.Equals(Macro.SELECTED))
{
for (int i = 0; i < triangles.Length; i += 3)
{
Vector3[] tmp = { vertices[triangles[i]], vertices[triangles[i + 1]], vertices[triangles[i + 2]] };
boundsList.Add(ObjManager.GetBoundsOfVector3Array(tmp));
}
selectedObjList.Add(new ListNode(objBounds, boundsList));
totalSelectedObjVerticeNum += vertices.Length;
totalSelectedObjTriangleNum += triangles.Length;
}
else if (item.tag.Equals(Macro.UNSELECTED))
{
for (int i = 0; i < triangles.Length; i += 3)
{
Vector3[] tmp = { vertices[triangles[i]], vertices[triangles[i + 1]], vertices[triangles[i + 2]] };
boundsList.Add(ObjManager.GetBoundsOfVector3Array(tmp));
}
unselectedObjList.Add(new ListNode(objBounds, boundsList));
totalUnselectedObjVerticeNum += vertices.Length;
totalUnselectedObjTriangleNum += triangles.Length;
}
}
yield return(new WaitForSeconds(0));
Debug.Log("selectedObjNum: " + selectedObjList.Count);
Debug.Log("unselectedObjNum: " + unselectedObjList.Count);
Debug.Log("totalSelectedObjVerticeNum: " + totalSelectedObjVerticeNum);
Debug.Log("totalSelectedObjVerticeNum: " + totalUnselectedObjVerticeNum);
Debug.Log("totalSelectedObjTriangleNum: " + totalSelectedObjTriangleNum);
Debug.Log("totalUnselectedObjTriangleNum: " + totalUnselectedObjTriangleNum);
float sliderValueFz = 0; //slider value的分子
var xjBoundsList = new List <Bounds>(); //不同物体相交的区域
foreach (var so in selectedObjList) //求交
{
foreach (var uso in unselectedObjList)
{
if (!DealBoundsIntersection(so.objBounds, uso.objBounds, false, xjBoundsList))//两物体的包围盒不相交
{
sliderValueFz += so.triangleBoundsList.Count;
continue;
}
foreach (var sotb in so.triangleBoundsList)
{
sliderValueFz++;
if (!DealBoundsIntersection(sotb, uso.objBounds, false, xjBoundsList))//选中物体三角面片包围盒不与未选中物体包围盒相交
{
continue;
}
foreach (var usotb in uso.triangleBoundsList)
{
if (DealBoundsIntersection(sotb, usotb, true, xjBoundsList))
{
}
}
var tmpV = sliderValueFz * 3 / (unselectedObjList.Count * totalSelectedObjTriangleNum);
if (tmpV - sliderGCP.value >= 0.05)
{
sliderGCP.value = tmpV;//更新进度条的值
yield return(new WaitForSeconds(0));
}
}
}
}
var contactPointNum = CreateContactPoints(xjBoundsList); //显示接触点
sliderGCP.value = 1; //计算完毕，进度条的值置为1
Debug.Log("contactPointNum: " + contactPointNum);
buttonGCP.interactable = true; //计算完成可以点击按钮
sw.Stop();
ShowTime(sw.Elapsed.TotalSeconds);
}
public void ProjectSelect() //投影选中的模型
{
var o = objManager.panelStatusController.selectedObj;
if (o == null)
{
return;
}
foreach (var item in o.GetComponentsInChildren <SkinnedMeshRenderer>())
{
var vertices = ObjManager.GetRealVertices(item);
var triangles = item.sharedMesh.triangles;
for (int i = 0; i < triangles.Length; i += 3)
{
var tmp = new Vector2[] {
WorldPointToPixel(vertices[triangles[i]]),
WorldPointToPixel(vertices[triangles[i + 1]]),
WorldPointToPixel(vertices[triangles[i + 2]])
};
var pList = new List <Vector2>();
for (int j = 0; j < tmp.Length; j++)
{
var u = tmp[j];
var v = tmp[(j + 1) % tmp.Length];
float dx = 0;
float dy = 0;
int totalPixel = 0;
if (Mathf.Abs(v.x - u.x) > Mathf.Abs(v.y - u.y))
{
dx = u.x > v.x ? -1 : 1;
dy = (v.y - u.y) / (v.x - u.x) * dx;
totalPixel = (int)Mathf.Abs(v.x - u.x) + 1;
}
else if (v.y == u.y)
{
dx = dy = 1;
totalPixel = 1;
}
else
{
dy = u.y > v.y ? -1 : 1;
dx = (v.x - u.x) / (v.y - u.y) * dy;
totalPixel = (int)Mathf.Abs(v.y - u.y) + 1;
}
var d = new Vector2(dx, dy);
int cnt = 0;
while (cnt < totalPixel)
{
cnt++;
pList.Add(new Vector2(u.x, u.y));
u += d;
}
}
foreach (var v in pList)
{
int x = (int)v.x;
int y = (int)v.y;
if (IfInMap(x, y))
{
area[areaId][x, y] = 1;
t2d.SetPixel(x, y, colorSet[areaId]);
}
}
}
}
FillDrawMap();
}