.. | .. |
---|
662 | 662 | { |
---|
663 | 663 | sorted = true; |
---|
664 | 664 | |
---|
665 | | - for (int i=0; i<size()-1; i++) |
---|
| 665 | + for (int i=0; i<Size()-1; i++) |
---|
666 | 666 | { |
---|
667 | 667 | Object3D obji = get(i); |
---|
668 | 668 | Object3D objj = get(i+1); |
---|
.. | .. |
---|
686 | 686 | { |
---|
687 | 687 | sorted = true; |
---|
688 | 688 | |
---|
689 | | - for (int i=0; i<size()-1; i++) |
---|
| 689 | + for (int i=0; i<Size()-1; i++) |
---|
690 | 690 | { |
---|
691 | 691 | Object3D obji = get(i); |
---|
692 | 692 | Object3D objj = get(i+1); |
---|
.. | .. |
---|
4048 | 4048 | |
---|
4049 | 4049 | void RevertMeshes() |
---|
4050 | 4050 | { |
---|
| 4051 | + // BLOCKLOOP |
---|
4051 | 4052 | if (this instanceof cMesh) |
---|
4052 | 4053 | { |
---|
4053 | 4054 | ((cMesh)this).Revert(); |
---|
.. | .. |
---|
4078 | 4079 | Touch(); |
---|
4079 | 4080 | } |
---|
4080 | 4081 | |
---|
4081 | | - ResetRecur(); |
---|
4082 | | - } |
---|
4083 | | - |
---|
4084 | | - void ResetRecur() |
---|
4085 | | - { |
---|
4086 | 4082 | for (int i = 0; i < size(); i++) |
---|
4087 | 4083 | { |
---|
4088 | 4084 | Object3D child = (Object3D) get(i); // reserve(i); |
---|
.. | .. |
---|
4296 | 4292 | Touch(); |
---|
4297 | 4293 | } |
---|
4298 | 4294 | |
---|
4299 | | - transient cVector min = new cVector(); |
---|
4300 | | - transient cVector max = new cVector(); |
---|
| 4295 | + transient cVector min; |
---|
| 4296 | + transient cVector max; |
---|
4301 | 4297 | |
---|
4302 | 4298 | void getBounds(cVector minima, cVector maxima, boolean xform) |
---|
4303 | 4299 | { |
---|
.. | .. |
---|
4313 | 4309 | if (blockloop) |
---|
4314 | 4310 | return; |
---|
4315 | 4311 | |
---|
4316 | | - if (min == null) // ??? |
---|
| 4312 | + if (min == null) |
---|
4317 | 4313 | { |
---|
4318 | 4314 | min = new cVector(); |
---|
4319 | 4315 | max = new cVector(); |
---|
.. | .. |
---|
4354 | 4350 | |
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4355 | 4351 | if (bRep != null) |
---|
4356 | 4352 | { |
---|
4357 | | - bRep.getBounds(minima,maxima,this); |
---|
| 4353 | + bRep.getBounds(minima, maxima, xform?this:null); |
---|
4358 | 4354 | } |
---|
4359 | 4355 | |
---|
4360 | 4356 | if (false) // xform) |
---|
.. | .. |
---|
8571 | 8567 | private static cVector2 qq2 = new cVector2(); |
---|
8572 | 8568 | private static cVector2 rr2 = new cVector2(); |
---|
8573 | 8569 | private static cVector2 ss2 = new cVector2(); |
---|
8574 | | - private static cVector edge1 = new cVector(); |
---|
8575 | | - private static cVector edge2 = new cVector(); |
---|
| 8570 | +// private static cVector edge1 = new cVector(); |
---|
| 8571 | +// private static cVector edge2 = new cVector(); |
---|
8576 | 8572 | //private static cVector norm = new cVector(); |
---|
8577 | 8573 | /*transient private*/ int hitSomething; |
---|
8578 | 8574 | static final int hitCenter = 1; |
---|
.. | .. |
---|
8770 | 8766 | |
---|
8771 | 8767 | Touch(); |
---|
8772 | 8768 | } |
---|
| 8769 | + |
---|
| 8770 | + static Vertex s1 = new Vertex(); |
---|
| 8771 | + static Vertex s2 = new Vertex(); |
---|
| 8772 | + static Vertex s3 = new Vertex(); |
---|
8773 | 8773 | |
---|
| 8774 | + boolean intersectMesh(Ray ray, IntersectResult result) |
---|
| 8775 | + { |
---|
| 8776 | + boolean success = false; |
---|
| 8777 | + |
---|
| 8778 | + if (bRep.stripified) |
---|
| 8779 | + { |
---|
| 8780 | + int[] strips = bRep.getRawIndices(); |
---|
| 8781 | + |
---|
| 8782 | + // TRIANGLE STRIP ARRAY |
---|
| 8783 | + if (bRep.trimmed) |
---|
| 8784 | + { |
---|
| 8785 | + float[] v = bRep.getRawVertices(); |
---|
| 8786 | + |
---|
| 8787 | + int count3 = 0; |
---|
| 8788 | + |
---|
| 8789 | + if (v.length > 0) |
---|
| 8790 | + { |
---|
| 8791 | + for (int i = 0; i < strips.length; i++) |
---|
| 8792 | + { |
---|
| 8793 | + s1.set(v[count3], v[count3 + 1], v[count3 + 2]); |
---|
| 8794 | + count3 += 3; |
---|
| 8795 | + |
---|
| 8796 | + s2.set(v[count3], v[count3 + 1], v[count3 + 2]); |
---|
| 8797 | + count3 += 3; |
---|
| 8798 | + |
---|
| 8799 | + for (int j = 0; j < strips[i] - 2; j++) |
---|
| 8800 | + { |
---|
| 8801 | + s3.set(v[count3], v[count3 + 1], v[count3 + 2]); |
---|
| 8802 | + count3 += 3; |
---|
| 8803 | + |
---|
| 8804 | + if (j%2 == 0) |
---|
| 8805 | + success |= intersectTriangle(ray, result, s1, s2, s3); |
---|
| 8806 | + else |
---|
| 8807 | + success |= intersectTriangle(ray, result, s1, s3, s2); |
---|
| 8808 | + |
---|
| 8809 | + s1.set(s2); |
---|
| 8810 | + s2.set(s3); |
---|
| 8811 | + } |
---|
| 8812 | + } |
---|
| 8813 | + } |
---|
| 8814 | + |
---|
| 8815 | + assert count3 == v.length; |
---|
| 8816 | + } |
---|
| 8817 | + else // !trimmed |
---|
| 8818 | + { |
---|
| 8819 | + int count = 0; |
---|
| 8820 | + for (int i = 0; i < strips.length; i++) |
---|
| 8821 | + { |
---|
| 8822 | + Vertex p = bRep.GetVertex(bRep.indices[count++]); |
---|
| 8823 | + Vertex q = bRep.GetVertex(bRep.indices[count++]); |
---|
| 8824 | + |
---|
| 8825 | + for (int j = 0; j < strips[i] - 2; j++) |
---|
| 8826 | + { |
---|
| 8827 | + Vertex r = bRep.GetVertex(bRep.indices[count++]); |
---|
| 8828 | + |
---|
| 8829 | + if (j%2 == 0) |
---|
| 8830 | + success |= intersectTriangle(ray, result, p, q, r); |
---|
| 8831 | + else |
---|
| 8832 | + success |= intersectTriangle(ray, result, p, r, q); |
---|
| 8833 | + |
---|
| 8834 | + p = q; |
---|
| 8835 | + q = r; |
---|
| 8836 | + } |
---|
| 8837 | + } |
---|
| 8838 | + } |
---|
| 8839 | + } else // catch (Error e) |
---|
| 8840 | + { |
---|
| 8841 | + int facecount = bRep.FaceCount(); |
---|
| 8842 | + for (int i = 0; i < facecount; i++) |
---|
| 8843 | + { |
---|
| 8844 | + Face face = bRep.GetFace(i); |
---|
| 8845 | + |
---|
| 8846 | + Vertex p = bRep.GetVertex(face.p); |
---|
| 8847 | + Vertex q = bRep.GetVertex(face.q); |
---|
| 8848 | + Vertex r = bRep.GetVertex(face.r); |
---|
| 8849 | + |
---|
| 8850 | + success |= intersectTriangle(ray, result, p, q, r); |
---|
| 8851 | + } |
---|
| 8852 | + } |
---|
| 8853 | + |
---|
| 8854 | + return success; |
---|
| 8855 | + } |
---|
| 8856 | + |
---|
| 8857 | + static cVector eye = new cVector(); |
---|
| 8858 | + static cVector dir = new cVector(); |
---|
| 8859 | + |
---|
| 8860 | + transient BBox bbox = null; |
---|
| 8861 | + |
---|
| 8862 | + boolean intersect(Ray ray, IntersectResult result) |
---|
| 8863 | + { |
---|
| 8864 | + double eyex = ray.eyePoint.x; |
---|
| 8865 | + double eyey = ray.eyePoint.y; |
---|
| 8866 | + double eyez = ray.eyePoint.z; |
---|
| 8867 | + |
---|
| 8868 | + double dirx = ray.viewDirection.x; |
---|
| 8869 | + double diry = ray.viewDirection.y; |
---|
| 8870 | + double dirz = ray.viewDirection.z; |
---|
| 8871 | + |
---|
| 8872 | + if (this.fromParent != null) |
---|
| 8873 | + { |
---|
| 8874 | + eye.x = eyex; |
---|
| 8875 | + eye.y = eyey; |
---|
| 8876 | + eye.z = eyez; |
---|
| 8877 | + dir.x = dirx; |
---|
| 8878 | + dir.y = diry; |
---|
| 8879 | + dir.z = dirz; |
---|
| 8880 | + |
---|
| 8881 | + LA.xformPos(eye, this.fromParent, eye); |
---|
| 8882 | + LA.xformDir(dir, this.fromParent, dir); |
---|
| 8883 | + |
---|
| 8884 | + ray.eyePoint.x = eye.x; |
---|
| 8885 | + ray.eyePoint.y = eye.y; |
---|
| 8886 | + ray.eyePoint.z = eye.z; |
---|
| 8887 | + |
---|
| 8888 | + ray.viewDirection.x = dir.x; |
---|
| 8889 | + ray.viewDirection.y = dir.y; |
---|
| 8890 | + ray.viewDirection.z = dir.z; |
---|
| 8891 | + } |
---|
| 8892 | + |
---|
| 8893 | + boolean success = false; |
---|
| 8894 | + |
---|
| 8895 | + boolean touch = false; |
---|
| 8896 | + |
---|
| 8897 | + if (bRep != null) |
---|
| 8898 | + { |
---|
| 8899 | + if (bbox == null) |
---|
| 8900 | + { |
---|
| 8901 | + bbox = new BBox(); |
---|
| 8902 | + |
---|
| 8903 | + cVector min = new cVector(); |
---|
| 8904 | + cVector max = new cVector(); |
---|
| 8905 | + |
---|
| 8906 | + this.getBounds(min, max, false); |
---|
| 8907 | + |
---|
| 8908 | + bbox.min.x = min.x; |
---|
| 8909 | + bbox.min.y = min.y; |
---|
| 8910 | + bbox.min.z = min.z; |
---|
| 8911 | + |
---|
| 8912 | + bbox.max.x = max.x; |
---|
| 8913 | + bbox.max.y = max.y; |
---|
| 8914 | + bbox.max.z = max.z; |
---|
| 8915 | + } |
---|
| 8916 | + |
---|
| 8917 | + if (bbox.intersect(ray, result)) |
---|
| 8918 | + { |
---|
| 8919 | + success |= intersectMesh(ray, result); |
---|
| 8920 | + } |
---|
| 8921 | + else |
---|
| 8922 | + { |
---|
| 8923 | + //this.hide = true; |
---|
| 8924 | + touch = true; |
---|
| 8925 | + } |
---|
| 8926 | + } |
---|
| 8927 | + |
---|
| 8928 | + for (int i=0; i<size(); i++) |
---|
| 8929 | + { |
---|
| 8930 | + Object3D child = (Object3D) reserve(i); |
---|
| 8931 | + |
---|
| 8932 | + if (child == null) |
---|
| 8933 | + continue; |
---|
| 8934 | + |
---|
| 8935 | + success |= child.intersect(ray, result); |
---|
| 8936 | + release(i); |
---|
| 8937 | + } |
---|
| 8938 | + |
---|
| 8939 | + ray.eyePoint.x = eyex; |
---|
| 8940 | + ray.eyePoint.y = eyey; |
---|
| 8941 | + ray.eyePoint.z = eyez; |
---|
| 8942 | + |
---|
| 8943 | + ray.viewDirection.x = dirx; |
---|
| 8944 | + ray.viewDirection.y = diry; |
---|
| 8945 | + ray.viewDirection.z = dirz; |
---|
| 8946 | + |
---|
| 8947 | +// if (touch) |
---|
| 8948 | +// this.Touch(); // refresh display list |
---|
| 8949 | + |
---|
| 8950 | + return success; |
---|
| 8951 | + } |
---|
| 8952 | + |
---|
| 8953 | + static Vector3d edge1 = new Vector3d(); |
---|
| 8954 | + static Vector3d edge2 = new Vector3d(); |
---|
| 8955 | + static Vector3d P = new Vector3d(); |
---|
| 8956 | + static Vector3d T = new Vector3d(); |
---|
| 8957 | + static Vector3d Q = new Vector3d(); |
---|
| 8958 | + |
---|
| 8959 | + private boolean intersectTriangle(Ray ray, IntersectResult result, Vertex v1, Vertex v2, Vertex v3) |
---|
| 8960 | + { |
---|
| 8961 | + /* |
---|
| 8962 | + Fast, Minimum Storage Ray/Triangle Intersection, Moller et al. |
---|
| 8963 | + |
---|
| 8964 | + Reference: http://www.cs.virginia.edu/~gfx/Courses/2003/ImageSynthesis/papers/Acceleration/Fast%20MinimumStorage%20RayTriangle%20Intersection.pdf |
---|
| 8965 | + */ |
---|
| 8966 | + |
---|
| 8967 | + // Calculate edges of the triangle |
---|
| 8968 | + edge1.set(v2.x - v1.x, v2.y - v1.y, v2.z - v1.z); |
---|
| 8969 | + edge2.set(v3.x - v1.x, v3.y - v1.y, v3.z - v1.z); |
---|
| 8970 | + |
---|
| 8971 | + // Calculate the determinant (U parameter) |
---|
| 8972 | + P.cross(ray.viewDirection, edge2); |
---|
| 8973 | + double det = edge1.dot(P); |
---|
| 8974 | + |
---|
| 8975 | + if (det > -1e-9 && det < 1e-9) |
---|
| 8976 | + { |
---|
| 8977 | + return false; |
---|
| 8978 | + } // Ray lies in plane of triangle |
---|
| 8979 | + |
---|
| 8980 | + double invDet = 1 / det; |
---|
| 8981 | + |
---|
| 8982 | + // Calculate distance from vertex1 to ray origin |
---|
| 8983 | + T.set(ray.eyePoint.x - v1.x, ray.eyePoint.y - v1.y, ray.eyePoint.z - v1.z); |
---|
| 8984 | + |
---|
| 8985 | + double U = (T.dot(P)) * invDet; // Calculate U parameter |
---|
| 8986 | + |
---|
| 8987 | + if (U < 0.f || U > 1.f) |
---|
| 8988 | + { |
---|
| 8989 | + return false; |
---|
| 8990 | + } // Intersection lies outside of the triangle |
---|
| 8991 | + |
---|
| 8992 | + // Calculate V parameter |
---|
| 8993 | + Q.cross(T, edge1); |
---|
| 8994 | + |
---|
| 8995 | + double V = ray.viewDirection.dot(Q) * invDet; |
---|
| 8996 | + |
---|
| 8997 | + if (V < 0.f || (U + V) > 1.f) |
---|
| 8998 | + { |
---|
| 8999 | + return false; |
---|
| 9000 | + } // Intersection lies outside of the triangle |
---|
| 9001 | + |
---|
| 9002 | + double t = edge2.dot(Q) * invDet; |
---|
| 9003 | + |
---|
| 9004 | + if (t > 1e-9) // Triangle and ray intersects |
---|
| 9005 | + { |
---|
| 9006 | + //result.isIntersected = true; |
---|
| 9007 | + //result.id = id; |
---|
| 9008 | + |
---|
| 9009 | + if (false) // isShadow) |
---|
| 9010 | + { |
---|
| 9011 | + result.t = t; |
---|
| 9012 | + return true; |
---|
| 9013 | + } else if (t < result.t) |
---|
| 9014 | + { |
---|
| 9015 | + result.object = this; |
---|
| 9016 | + |
---|
| 9017 | + result.t = t; |
---|
| 9018 | + |
---|
| 9019 | + //result.p.x = ray.eyePoint.x + ray.viewDirection.x * t; |
---|
| 9020 | + //result.p.y = ray.eyePoint.y + ray.viewDirection.y * t; |
---|
| 9021 | + //result.p.z = ray.eyePoint.z + ray.viewDirection.z * t; |
---|
| 9022 | + |
---|
| 9023 | + result.n.cross(edge1, edge2); |
---|
| 9024 | + result.n.normalize(); |
---|
| 9025 | + } |
---|
| 9026 | + |
---|
| 9027 | + return true; |
---|
| 9028 | + } |
---|
| 9029 | + |
---|
| 9030 | + return false; |
---|
| 9031 | + } |
---|
8774 | 9032 | |
---|
8775 | 9033 | public int Size() |
---|
8776 | 9034 | { |
---|