From f1c718cce66e5651a0dae91375db6ebfaded1a92 Mon Sep 17 00:00:00 2001
From: Normand Briere <nbriere@noware.ca>
Date: Sat, 27 Apr 2019 21:33:41 -0400
Subject: [PATCH] Test unfold UV
---
BoundaryRep.java | 385 ++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 267 insertions(+), 118 deletions(-)
diff --git a/BoundaryRep.java b/BoundaryRep.java
index 4b1c03c..05b3429 100644
--- a/BoundaryRep.java
+++ b/BoundaryRep.java
@@ -15,7 +15,7 @@
{
this(0, 0);
}
-
+
void SaveSupports()
{
transientsupport = support;
@@ -497,10 +497,10 @@
return dist2;
}
- static Vertex vertextemp = new Vertex();
- static Vertex vertextemp2 = new Vertex();
+ static Vertex vertextemp = new Vertex(true);
+ static Vertex vertextemp2 = new Vertex(true);
- static double SEUIL = 0.1; // 0.1 for rag doll; 0.07;
+ static double SEUIL = 0.1f; // 0.1 for rag doll; 0.07;
// Compute weight of point w/r to this
float ComputeWeight(Vertex v, double[][] toRoot, int k)
@@ -570,8 +570,10 @@
if (dot > distmax)
dot = distmax;
+ //return 0; // patch for strange behavior
if (dot < -distmax)
dot = -distmax;
+ //return 0; // patch for strange behavior
// v3 = GetVertex(this.startvertices[subsupport] + 16);
//
@@ -609,10 +611,12 @@
float dist2 = (float)Distance2(v, v2, 1E10, toRoot, k);
- if (dist2 >= 2 * SEUIL*SEUIL) // && !CameraPane.CROWD) // weightmode
+ double seuil = SEUIL * 2;
+
+ if (dist2 >= 2 * seuil*seuil) // && !CameraPane.CROWD) // weightmode
return 0;
- dist2 /= 2 * SEUIL*SEUIL; // multiplied by two because center of support
+ dist2 /= 2 * seuil*seuil; // multiplied by two because center of support
// could be far from closest point
// dist2 = Math.pow(dist2, 2);
@@ -786,7 +790,7 @@
v.weights[k] = other.ComputeWeight(v, toRoot, k); // (float)(supportsize * normalweight * nz / Math.pow(tx*tx+ty*ty+tz*tz, 1));
v.totalweight += v.weights[k];
- if (CameraPane.CROWD)
+ if (Globals.CROWD)
{
// System.out.print("weight = " + v.weights[k]);
// System.out.println("; totalweight = " + v.totalweight);
@@ -946,7 +950,7 @@
int nbsupports;
- SEUIL = 0.1; // aout 2013
+ // sept 2017 SEUIL = 0.1; // aout 2013
supports = InitConnections(other);
@@ -982,7 +986,7 @@
int subsupports = 0;
- SEUIL = 0.1; // aout 2013
+ // sept 2017 SEUIL = 0.1; // aout 2013
while (subsupports == 0)
{
@@ -1006,6 +1010,26 @@
vect.set(v);
vect.sub(vect2);
+
+// vertextemp.x = other.averagepoints[c*3];
+// vertextemp.y = other.averagepoints[c*3+1];
+// vertextemp.z = other.averagepoints[c*3+2];
+//
+// Vertex v3 = vertextemp2;
+// v3.x = other.extremepoints[c*3];
+// v3.y = other.extremepoints[c*3+1];
+// v3.z = other.extremepoints[c*3+2];
+//
+// vect3.set(v3); // "X" axis apex
+// vect3.sub(vertextemp); // origin (center)
+//
+// double distmax = vect3.length();
+//
+// vect3.set(v2); // "X" axis apex
+// vect3.sub(vertextemp); // origin (center)
+//
+// if (vect3.length() >= distmax)
+// continue;
if (mindistance > vect.dot(vect))
{
@@ -1017,7 +1041,9 @@
subsupports = v.closestsupport==-1 ? 0 : supports[v.closestsupport].Length();
- SEUIL *= 2;
+ // previously for "contains", now for weights.
+ assert(subsupports > 0);
+ //SEUIL *= 2;
}
assert(subsupports > 0);
@@ -2163,7 +2189,7 @@
// if (slow)
// aout 2013
// sept 2013 merde...
- W = 13;
+ W = 3; // 13;
// POSERATE
if (CameraPane.tickcount > 0 || CameraPane.SLOWPOSE)
@@ -2635,18 +2661,18 @@
if (false) // slow && stepout && onein)
{
// sound
- cVector eye = CameraPane.theRenderer.eyeCamera.location;
+ cVector eye = Globals.theRenderer.EyeCamera().location;
Vertex v = GetVertex(0);
tmp.set(v);
tmp.sub(eye);
- if (CameraPane.framecount - lastsoundtime > 30) // 0.25 secs
+ if (Globals.framecount - lastsoundtime > 30) // 0.25 secs
{
GrafreeD.wav.play((Math.random()+0.5)/Math.max(tmp.length2(),0.2)); //, 1);
- lastsoundtime = CameraPane.framecount;
+ lastsoundtime = Globals.framecount;
}
stepout = false;
@@ -3129,7 +3155,27 @@
*/
}
- void GenUV()
+ void UnfoldUV()
+ {
+ for (int i = 0; i < VertexCount(); i++)
+ {
+ Vertex v = GetVertex(i);
+
+ v.x = v.s;
+ v.y = v.t;
+ v.z = 0;
+
+ v.norm.x = 0;
+ v.norm.y = 0;
+ v.norm.z = 1;
+
+ SetVertex(v, i);
+ }
+ }
+
+ float power = 2;
+
+ void GenUV() // float power)
{
Trim();
@@ -3193,6 +3239,115 @@
y -= 0.5;
z -= 0.5;
+ double ax = Math.abs(x);
+ double ay = Math.abs(y);
+ double max = ax;
+ if (max < ay)
+ {
+ max = ay;
+ }
+
+ x /= max;
+ y /= max;
+
+ double angle = Math.acos(Math.abs(z*2));
+
+ double k = angle / Math.PI * 2;
+
+ // k == 0 => uv = 0 (center)
+ // k == 1 => uv = -1,1 (border)
+
+ if (i == 0)
+ System.out.println("power = " + power);
+
+ double length1 = (ax+ay)/max;
+ double length2 = Math.sqrt(ax*ax + ay*ay) / max;
+
+ double t = k;
+
+ t = Math.pow(t, 3);
+
+ // Interpolate between k/length2 (center) and k (border)
+ k = k / length2 * (1 - t) + k * t;
+
+ double u = k*x;
+ double v = k*y;
+
+ u /= 2;
+ v /= 2;
+ u += 0.5;
+ v += 0.5;
+
+ uvmap[i2] = (float) u;
+ uvmap[i2+1] = (float) v;
+ }
+ }
+
+ void GenUVold(float power)
+ {
+ Trim();
+
+ cVector boxcenter = null;
+ cVector minima, maxima;
+ minima = new cVector();
+ maxima = new cVector();
+ minima.x = minima.y = minima.z = Double.MAX_VALUE;
+ maxima.x = maxima.y = maxima.z = -Double.MAX_VALUE;
+ for (int i = 0; i < VertexCount(); i++)
+ {
+ Vertex v = GetVertex(i);
+
+ if (minima.x > v.x)
+ {
+ minima.x = v.x;
+ }
+ if (minima.y > v.y)
+ {
+ minima.y = v.y;
+ }
+ if (minima.z > v.z)
+ {
+ minima.z = v.z;
+ }
+
+ if (maxima.x < v.x)
+ {
+ maxima.x = v.x;
+ }
+ if (maxima.y < v.y)
+ {
+ maxima.y = v.y;
+ }
+ if (maxima.z < v.z)
+ {
+ maxima.z = v.z;
+ }
+ }
+
+ boxcenter = new cVector((maxima.x + minima.x) / 2, (maxima.y + minima.y) / 2, (maxima.z + minima.z) / 2);
+ int i2 = 0, i3 = 0;
+ for (int i = 0; i < positions.length/3; i++, i3 += 3, i2 += 2)
+ {
+// //uvmap[i2] = (float) normals[i3]*0.5f + 0.5f; // v.x;
+// //uvmap[i2 + 1] = (float) normals[i3+1]*0.5f + 0.5f; //z;
+// uvmap[i2] = (float) (positions[i3] - boxcenter.x);
+// uvmap[i2 + 1] = (float) (positions[i3+2] - boxcenter.z);
+// uvmap[i2] = (float) Math.atan2(positions[i3+1] - boxcenter.y, positions[i3] - boxcenter.x);
+// uvmap[i2 + 1] = (float)(positions[i3+2] - boxcenter.z);
+ // box UV
+ double x = positions[i3] - minima.x; // - Math.floor(positions[i3]);
+ double y = positions[i3+1] - minima.y; // - Math.floor(positions[i3+1]);
+ double z = positions[i3+2] - minima.z; // - Math.floor(positions[i3+2]);
+
+ // [-1/2, 1/2]
+ x /= maxima.x - minima.x;
+ y /= maxima.y - minima.y;
+ z /= maxima.z - minima.z;
+
+ x -= 0.5;
+ y -= 0.5;
+ z -= 0.5;
+
// x *= 2;
// y *= 2;
// z *= 2;
@@ -3219,6 +3374,15 @@
z = Math.cos(angle/2);
+ assert(z >= 0);
+ assert(z <= 1);
+
+ /**/
+ //z = Math.pow(z, power); //1.08f);
+
+ if (i == 0)
+ System.out.println("power = " + power);
+
// sqrt(k2*x2 + k2*z2 + y2) = length
// k2*x2 + k2*z2 = length2 - y2
// k2 = (length2 - y2) / (x2 + z2)
@@ -3238,6 +3402,7 @@
x *= k;
y *= k;
+ /**/
double max = Math.abs(x);
if (max < Math.abs(y))
@@ -3250,10 +3415,15 @@
}
// max = Math.sqrt(max*2)/2;
+// double x2 = Math.pow(Math.abs(x), 1/power);
+// double y2 = Math.pow(Math.abs(y), 1/power);
+// double z2 = Math.pow(Math.abs(z), 1/power);
+// max = Math.pow(x2 + y2 + z2, power);
// if (!(max > 0))
- assert(max > 0);
-
+ //assert(max > 0);
+ assert(max >= 0);
+
x /= max;
y /= max;
z /= max;
@@ -3776,10 +3946,19 @@
for (int i = 0; i < VertexCount(); i++)
{
Vertex v = GetVertex(i);
+
+ vertextemp.set(v);
+
//if (v.norm.x == 0 && v.norm.y == 0 && v.norm.z == 0)
{
- GenerateNormal(i, v);
- SetVertex(v, i);
+ if (!GenerateNormal(i, vertextemp))
+ continue;
+
+ if (v.norm.dot(vertextemp.norm) < 0)
+ vertextemp.norm.mul(-1);
+
+ if (v.norm.dot(vertextemp.norm) < 0.9)
+ SetVertex(vertextemp, i);
}
}
@@ -3790,7 +3969,7 @@
static cVector temp2 = new cVector();
static cVector temp3 = new cVector();
- void GenerateNormal(int index, Vertex v)
+ boolean GenerateNormal(int index, Vertex v)
{
//System.out.println("Old normal = " + v.norm);
LA.setVector(v.norm, 0, 0, 0);
@@ -3819,6 +3998,10 @@
LA.vecSub(p/*.pos*/, v/*.pos*/, temp1);
LA.vecSub(q/*.pos*/, v/*.pos*/, temp2);
}
+ else
+ {
+ continue;
+ }
//LA.vecNormalize(temp1);
//LA.vecNormalize(temp2);
@@ -3829,17 +4012,25 @@
double s = temp3.length();
//double c = temp2.dot(temp1);
+ if (s == 0)
+ return false;
+
float angle = 1; // (float) Math.atan2(s, c);
//if(angle < 0) angle = -angle;
//LA.vecNormalize(temp3);
LA.vecScale(temp3, angle / s);
+// if (temp3.dot(v.norm) < 0)
+// assert(temp3.dot(v.norm) >= 0);
+
LA.vecAdd(temp3, v.norm, v.norm);
}
LA.vecNormalize(v.norm);
//System.out.println("New normal = " + v.norm);
+
+ return true;
}
double Arccos(double x)
@@ -4381,7 +4572,7 @@
}
}
- void CullVertex(javax.media.opengl.GL gl, boolean shadow)
+ void CullVertex(javax.media.opengl.GL glNOTUSED, boolean shadowNOTUSED)
{
CameraPane.glu.gluProject(vect5.x,vect5.y,vect5.z,
CameraPane.tempmat,0, CameraPane.tempmat2,0,
@@ -4413,14 +4604,14 @@
// june 2014
// Camera parentcam = cam;
//
-// if (cam == CameraPane.theRenderer.cameras[0])
+// if (cam == Globals.theRenderer.cameras[0])
// {
-// parentcam = CameraPane.theRenderer.cameras[1];
+// parentcam = Globals.theRenderer.cameras[1];
// }
//
-// if (cam == CameraPane.theRenderer.cameras[1])
+// if (cam == Globals.theRenderer.cameras[1])
// {
-// parentcam = CameraPane.theRenderer.cameras[0];
+// parentcam = Globals.theRenderer.cameras[0];
// }
gl.glGetDoublev(gl.GL_MODELVIEW_MATRIX, CameraPane.tempmat, 0);
@@ -4846,7 +5037,7 @@
return verticesCopy;
}
- void PreprocessOcclusion(CameraPane cp, double[][] transform)
+ void PreprocessOcclusion(iCameraPane cp, double[][] transform)
{
if (//!trimmed ||
AOdone)
@@ -4855,80 +5046,7 @@
return;
}
- Camera keep = cp.renderCamera;
- cp.renderCamera = localcamera;
-
- if (trimmed)
- {
- float[] colors = new float[positions.length / 3];
-
- int i3 = 0;
- for (int i = 0; i < positions.length / 3; i++, i3 += 3)
- {
- if (normals[i3] == 0 && normals[i3+1] == 0 && normals[i3+2] == 0)
- continue;
-
- from.set(positions[i3], positions[i3 + 1], positions[i3 + 2]);
- to.set(positions[i3] + normals[i3],
- positions[i3 + 1] + normals[i3 + 1],
- positions[i3 + 2] + normals[i3 + 2]);
- LA.xformPos(from, transform, from);
- LA.xformPos(to, transform, to); // RIGID ONLY
- localcamera.setAim(from, to);
-
- CameraPane.occlusionbuffer.display();
-
- if (CameraPane.DEBUG_OCCLUSION)
- cp.display(); // debug
-
- colors[i] = cp.vertexOcclusion.r;
- //colors[i3 + 1] = cp.vertexOcclusion.g;
- //colors[i3 + 2] = cp.vertexOcclusion.b;
-
- if ((i % 1000) == 0 && i != 0)
- {
- CameraPane.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.WAIT_CURSOR));
- //System.out.println("Color = " + cp.vertexOcclusion.r + ", " + cp.vertexOcclusion.g + ", " + cp.vertexOcclusion.b + "; " + (int)(100.0*i/(positions.length/3)) + "% done");
- System.out.println((int) (100.0 * i / (positions.length / 3)) + "% (" + i + " of " + (positions.length / 3) + ")");
- }
- }
-
- this.colors = colors;
- }
- else
- {
- for (int i = 0; i < VertexCount(); i++)
- {
- Vertex v = GetVertex(i);
-
- if (v.norm.x == 0 && v.norm.y == 0 && v.norm.z == 0)
- continue;
-
- from.set(v.x, v.y, v.z);
- to.set(v.x+v.norm.x, v.y+v.norm.y, v.z+v.norm.z);
- LA.xformPos(from, transform, from);
- LA.xformPos(to, transform, to); // RIGID ONLY
- localcamera.setAim(from, to);
-
- CameraPane.occlusionbuffer.display();
-
- if (CameraPane.DEBUG_OCCLUSION)
- cp.display(); // debug
-
- v.AO = cp.vertexOcclusion.r;
-
- if ((i % 1000) == 0 && i != 0)
- {
- CameraPane.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.WAIT_CURSOR));
- //System.out.println("Color = " + cp.vertexOcclusion.r + ", " + cp.vertexOcclusion.g + ", " + cp.vertexOcclusion.b + "; " + (int)(100.0*i/(positions.length/3)) + "% done");
- System.out.println((int) (100.0 * i / VertexCount()) + "% (" + i + " of " + VertexCount() + ")");
- }
- }
- }
-
- System.out.println("done.");
-
- cp.renderCamera = keep;
+ cp.PrepOcclusion(this, transform);
AOdone = true;
}
@@ -7075,6 +7193,7 @@
assert(f2.contains(i));
assert(f3.contains(i));
+ // when r is the "center", p is along the boundary
while (f0.r != i)
{
int t = f0.p;
@@ -7131,59 +7250,90 @@
f0 = f3;
f3 = t;
}
- atleastone = true;
+ int va = f0.q;
+ int vb = f0.r;
+ int vc = -1;
+
+ Face toremove1 = null;
+ Face toremove2 = null;
+
+ // f0 is the buffer for the first new triangle,
+ // and otherf is the other upper one.
Face otherf = null;
if (f1.contains(f0.p))
{
if (f1.p == f0.p)
{
+ assert(false);
f0.r = f1.q;
}
else
{
assert(f1.q == f0.p);
- f0.r = f1.p;
+ vc = f1.p;
}
otherf = f2;
- faces.remove(f1);
- faces.remove(f3);
+ toremove1 = f1;
+ toremove2 = f3;
}
else
if (f2.contains(f0.p))
{
if (f2.p == f0.p)
{
+ assert(false);
f0.r = f2.q;
}
else
{
assert(f2.q == f0.p);
- f0.r = f2.p;
+ vc = f2.p;
}
otherf = f3;
- faces.remove(f1);
- faces.remove(f2);
+ toremove1 = f1;
+ toremove2 = f2;
}
if (f3.contains(f0.p))
{
if (f3.p == f0.p)
{
+// assert(false);
+ new Exception().printStackTrace();
f0.r = f3.q;
}
else
{
assert(f3.q == f0.p);
- f0.r = f3.p;
+ vc = f3.p;
}
otherf = f1;
- faces.remove(f2);
- faces.remove(f3);
+ toremove1 = f2;
+ toremove2 = f3;
}
+
+ vertextemp.set(vertices.get(va));
+ vertextemp.sub(vertices.get(vb));
+ vertextemp.normalize();
+ vertextemp2.set(vertices.get(vc));
+ vertextemp2.sub(vertices.get(vb));
+ vertextemp2.normalize();
+
+ if (vertextemp.dot(vertextemp2) > -0.95)
+ {
+ continue;
+ }
+
+ atleastone = true;
+
+ f0.r = vc;
+
+ faces.remove(toremove1);
+ faces.remove(toremove2);
if (!f0.contains(otherf.p))
{
@@ -7554,7 +7704,7 @@
s3 = new cVector();
}
- CameraPane.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.WAIT_CURSOR));
+ Globals.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.WAIT_CURSOR));
try
{
@@ -7649,7 +7799,7 @@
{
if (i++%100 == 0)
{
- CameraPane.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.WAIT_CURSOR));
+ Globals.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.WAIT_CURSOR));
System.out.println("#faces = " + faces.size());
// if (i != 1)
// break;
@@ -7693,7 +7843,7 @@
//Trim(true,cJME.gennormals,true,false); // doesn't work
Trim(true,false,false,false,false);
- CameraPane.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.DEFAULT_CURSOR));
+ Globals.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.DEFAULT_CURSOR));
}
void UpdateIndices(Face face, Face minface)
@@ -8275,9 +8425,6 @@
return "trim = " + trimmed + "; stripped = " + stripified + "; colors = " + colors + "; faces = " + (faces!=null?faces.size():null) + "; triangles = " + (triangles!=null?triangles.length:null) + "; indices = " + indices;
}
- static Camera localcamera = new Camera();
- static cVector from = new cVector();
- static cVector to = new cVector();
boolean trimmed = false;
boolean stripified = false;
transient boolean AOdone = false;
@@ -8285,8 +8432,10 @@
/*transient*/ int maxIndexV = 0;
/*transient*/ int bufV, bufF;
// Raw version
- private float[] positions;
- private float[] normals;
+ //private
+ float[] positions;
+ //private
+ float[] normals;
float[] colors;
private float[] uvmap;
private int[] triangles;
--
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