private static int clipToPlane(Plane plane, dfClippingUtil.ClipTriangle[] source, dfClippingUtil.ClipTriangle[] dest, int count)
{
int num = 0;
for (int i = 0; i < count; i++)
{
num = num + dfClippingUtil.clipToPlane(plane, source[i], dest, num);
}
return num;
}
private static int clipToPlane(Plane plane, dfClippingUtil.ClipTriangle triangle, dfClippingUtil.ClipTriangle[] dest, int destIndex)
{
Vector3[] vector3Array = triangle.corner;
int num = 0;
int num1 = 0;
Vector3 vector3 = plane.normal;
float single = plane.distance;
for (int i = 0; i < 3; i++)
{
if (Vector3.Dot(vector3, vector3Array[i]) + single <= 0f)
{
num1 = i;
}
else
{
int num2 = num;
num = num2 + 1;
dfClippingUtil.inside[num2] = i;
}
}
if (num == 3)
{
triangle.CopyTo(dest[destIndex]);
return 1;
}
if (num == 0)
{
return 0;
}
if (num == 1)
{
int num3 = dfClippingUtil.inside[0];
int num4 = (num3 + 1) % 3;
int num5 = (num3 + 2) % 3;
Vector3 vector31 = vector3Array[num3];
Vector3 vector32 = vector3Array[num4];
Vector3 vector33 = vector3Array[num5];
Vector2 vector2 = triangle.uv[num3];
Vector2 vector21 = triangle.uv[num4];
Vector2 vector22 = triangle.uv[num5];
Color32 color32 = triangle.color[num3];
Color32 color321 = triangle.color[num4];
Color32 color322 = triangle.color[num5];
float single1 = 0f;
Vector3 vector34 = vector32 - vector31;
Ray ray = new Ray(vector31, vector34.normalized);
plane.Raycast(ray, out single1);
float single2 = single1 / vector34.magnitude;
Vector3 vector35 = ray.origin + (ray.direction * single1);
Vector2 vector23 = Vector2.Lerp(vector2, vector21, single2);
Color color = Color.Lerp(color32, color321, single2);
vector34 = vector33 - vector31;
ray = new Ray(vector31, vector34.normalized);
plane.Raycast(ray, out single1);
single2 = single1 / vector34.magnitude;
Vector3 vector36 = ray.origin + (ray.direction * single1);
Vector2 vector24 = Vector2.Lerp(vector2, vector22, single2);
Color color1 = Color.Lerp(color32, color322, single2);
dest[destIndex].corner[0] = vector31;
dest[destIndex].corner[1] = vector35;
dest[destIndex].corner[2] = vector36;
dest[destIndex].uv[0] = vector2;
dest[destIndex].uv[1] = vector23;
dest[destIndex].uv[2] = vector24;
dest[destIndex].color[0] = color32;
dest[destIndex].color[1] = color;
dest[destIndex].color[2] = color1;
return 1;
}
int num6 = num1;
int num7 = (num6 + 1) % 3;
int num8 = (num6 + 2) % 3;
Vector3 vector37 = vector3Array[num6];
Vector3 vector38 = vector3Array[num7];
Vector3 vector39 = vector3Array[num8];
Vector2 vector25 = triangle.uv[num6];
Vector2 vector26 = triangle.uv[num7];
Vector2 vector27 = triangle.uv[num8];
Color32 color323 = triangle.color[num6];
Color32 color324 = triangle.color[num7];
Color32 color325 = triangle.color[num8];
Vector3 vector310 = vector38 - vector37;
Ray ray1 = new Ray(vector37, vector310.normalized);
float single3 = 0f;
plane.Raycast(ray1, out single3);
float single4 = single3 / vector310.magnitude;
Vector3 vector311 = ray1.origin + (ray1.direction * single3);
Vector2 vector28 = Vector2.Lerp(vector25, vector26, single4);
Color color2 = Color.Lerp(color323, color324, single4);
vector310 = vector39 - vector37;
ray1 = new Ray(vector37, vector310.normalized);
plane.Raycast(ray1, out single3);
single4 = single3 / vector310.magnitude;
Vector3 vector312 = ray1.origin + (ray1.direction * single3);
Vector2 vector29 = Vector2.Lerp(vector25, vector27, single4);
Color color3 = Color.Lerp(color323, color325, single4);
dest[destIndex].corner[0] = vector311;
dest[destIndex].corner[1] = vector38;
dest[destIndex].corner[2] = vector312;
dest[destIndex].uv[0] = vector28;
dest[destIndex].uv[1] = vector26;
dest[destIndex].uv[2] = vector29;
dest[destIndex].color[0] = color2;
dest[destIndex].color[1] = color324;
dest[destIndex].color[2] = color3;
destIndex++;
dest[destIndex].corner[0] = vector312;
dest[destIndex].corner[1] = vector38;
dest[destIndex].corner[2] = vector39;
dest[destIndex].uv[0] = vector29;
dest[destIndex].uv[1] = vector26;
dest[destIndex].uv[2] = vector27;
dest[destIndex].color[0] = color3;
dest[destIndex].color[1] = color324;
dest[destIndex].color[2] = color325;
return 2;
}
public void CopyTo(dfClippingUtil.ClipTriangle target)
{
Array.Copy(this.corner, target.corner, 3);
Array.Copy(this.uv, target.uv, 3);
Array.Copy(this.color, target.color, 3);
}
