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trying to track down tessellation problems with bug #774

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benfry
2008-05-30 16:47:58 +00:00
parent c09d9bab37
commit e6b96702ad
1 changed files with 31 additions and 20 deletions
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core/src/processing/core/PGraphics3D.java
+31 -20
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@@ -423,8 +423,8 @@ public class PGraphics3D extends PGraphics {
}
render_lines();
}
// Clear this out in case flush() is called again.
// For instance, with hint(ENABLE_DEPTH_SORT), it will be called
// Clear this out in case flush() is called again.
// For instance, with hint(ENABLE_DEPTH_SORT), it will be called
// once on endRaw(), and once again at endDraw().
triangleCount = 0;
lineCount = 0;
@@ -1595,6 +1595,20 @@ public class PGraphics3D extends PGraphics {
// like that.. will wait to see if this is in fact a problem before
// hurting my head on the math.
/*
// trying to track down bug #774
for (int i = vertex_start; i < vertex_end; i++) {
if (i > vertex_start) {
if (vertices[i-1][MX] == vertices[i][MX] &&
vertices[i-1][MY] == vertices[i][MY]) {
System.out.print("**** " );
}
}
System.out.println(i + " " + vertices[i][MX] + " " + vertices[i][MY]);
}
System.out.println();
*/
// first we check if the polygon goes clockwise or counterclockwise
float area = 0;
for (int p = vertex_end - 1, q = vertex_start; q < vertex_end; p = q++) {
@@ -1686,15 +1700,12 @@ public class PGraphics3D extends PGraphics {
float Cy = vertices[vertex_order[w]][d2];
// first we check if <u,v,w> continues going ccw
if (EPSILON > (((Bx-Ax) * (Cy-Ay)) - ((By-Ay) * (Cx-Ax)))) {
if (E > (((Bx-Ax) * (Cy-Ay)) - ((By-Ay) * (Cx-Ax)))) {
continue;
}
for (int p = 0; p < vc; p++) {
//float ax, ay, bx, by, cx, cy, apx, apy, bpx, bpy, cpx, cpy;
//float cCROSSap, bCROSScp, aCROSSbp;
if( (p == u) || (p == v) || (p == w) ) {
if ((p == u) || (p == v) || (p == w)) {
continue;
}
@@ -3353,19 +3364,19 @@ public class PGraphics3D extends PGraphics {
return (ow != 0) ? oz / ow : oz;
}
/*
float unprojectInputX = Float.NaN;
float unprojectInputY = Float.NaN;
float unprojectInputZ = Float.NaN;
float unprojectOutputX, unprojectOutputY, unprojectOutputZ;
float unprojectInputZ = Float.NaN;
float unprojectOutputX, unprojectOutputY, unprojectOutputZ;
public float unprojectX(float x, float y, float z) {
if ((x != unprojectInputX) ||
(y != unprojectInputY) ||
if ((x != unprojectInputX) ||
(y != unprojectInputY) ||
(z != unprojectInputZ)) {
}
}
*/
@@ -3672,9 +3683,9 @@ public class PGraphics3D extends PGraphics {
lightingDependsOnVertexPosition = false;
}
/**
/**
* Turn off all lights.
*/
public void noLights() {
@@ -3903,11 +3914,11 @@ public class PGraphics3D extends PGraphics {
*/
Arrays.fill(pixels, backgroundColor);
Arrays.fill(zbuffer, Float.MAX_VALUE);
clearRaw();
}
protected void clearRaw() {
if (raw != null) {
raw.colorMode(RGB, 1);