void render(
short colixA,
short colixB,
byte endcaps,
int diameter,
int xA,
int yA,
int zA,
int xB,
int yB,
int zB) {
if (diameter > (g3d.width + g3d.height) * MAX_FIX) return;
// XIE: begin: deal with long sticks to prevent huge raster arrays from being produced
dxB = xB - xA;
dyB = yB - yA;
if (dxB * dxB + dyB * dyB > 4.0 * g3d.width * g3d.width) return;
// XIE: end
dzB = zB - zA;
int r = diameter / 2 + 1;
int codeMinA = line3d.clipCode(xA - r, yA - r, zA - r);
int codeMaxA = line3d.clipCode(xA + r, yA + r, zA + r);
int codeMinB = line3d.clipCode(xB - r, yB - r, zB - r);
int codeMaxB = line3d.clipCode(xB + r, yB + r, zB + r);
// all bits 0 --> no clipping
notClipped = ((codeMinA | codeMaxA | codeMinB | codeMaxB) == 0);
// any two bits same in all cases --> fully clipped
if ((codeMinA & codeMaxB & codeMaxA & codeMinB) != 0) return; // fully clipped;
zShift = g3d.getZShift((zA + zB) >> 1);
if (diameter <= 1) {
line3d.plotLineDelta(
g3d.getColixArgb(colixA),
Graphics3D.isColixTranslucent(colixA),
g3d.getColixArgb(colixB),
Graphics3D.isColixTranslucent(colixB),
xA,
yA,
zA,
dxB,
dyB,
dzB,
notClipped);
return;
}
drawBackside = (!notClipped || endcaps == Graphics3D.ENDCAPS_FLAT);
this.diameter = diameter;
this.xA = xA;
this.yA = yA;
this.zA = zA;
this.endcaps = endcaps;
shadesA = g3d.getShades(this.colixA = colixA);
shadesB = g3d.getShades(this.colixB = colixB);
isScreenedA = (colixA & Graphics3D.TRANSLUCENT_MASK) != 0;
isScreenedB = (colixB & Graphics3D.TRANSLUCENT_MASK) != 0;
calcArgbEndcap(true);
generateBaseEllipse();
if (endcaps == Graphics3D.ENDCAPS_FLAT) renderFlatEndcap(true);
for (int i = rasterCount; --i >= 0; ) plotRaster(i);
if (endcaps == Graphics3D.ENDCAPS_SPHERICAL) renderSphericalEndcaps();
}
void renderBits(
short colixA,
short colixB,
byte endcaps,
int diameter,
float xA,
float yA,
float zA,
float xB,
float yB,
float zB) {
if (diameter > (g3d.width + g3d.height) * MAX_FIX) // XIE
return;
// oops -- problem here if diameter < 0 is that we may have already clipped it!
int r = diameter / 2 + 1;
int codeMinA = line3d.clipCode((int) xA - r, (int) yA - r, (int) zA - r);
int codeMaxA = line3d.clipCode((int) xA + r, (int) yA + r, (int) zA + r);
int codeMinB = line3d.clipCode((int) xB - r, (int) yB - r, (int) zB - r);
int codeMaxB = line3d.clipCode((int) xB + r, (int) yB + r, (int) zB + r);
// all bits 0 --> no clipping
notClipped = ((codeMinA | codeMaxA | codeMinB | codeMaxB) == 0);
// any two bits same in all cases --> fully clipped
if ((codeMinA & codeMaxB & codeMaxA & codeMinB) != 0) return; // fully clipped;
dxBf = xB - xA;
dyBf = yB - yA;
dzBf = zB - zA;
if (diameter == 0 || diameter == 1) {
line3d.plotLineDelta(
g3d.getColixArgb(colixA),
Graphics3D.isColixTranslucent(colixA),
g3d.getColixArgb(colixB),
Graphics3D.isColixTranslucent(colixB),
(int) xA,
(int) yA,
(int) zA,
dxB,
dyB,
dzB,
notClipped);
return;
}
if (diameter > 0) {
this.diameter = diameter;
this.xAf = xA;
this.yAf = yA;
this.zAf = zA;
}
drawBackside = (!notClipped || endcaps == Graphics3D.ENDCAPS_FLAT);
this.xA = (int) xAf;
this.yA = (int) yAf;
this.zA = (int) zAf;
this.dxB = (int) dxBf;
this.dyB = (int) dyBf;
this.dzB = (int) dzBf;
this.shadesA = g3d.getShades(this.colixA = colixA);
this.shadesB = g3d.getShades(this.colixB = colixB);
this.isScreenedA = (colixA & Graphics3D.TRANSLUCENT_MASK) != 0;
this.isScreenedB = (colixB & Graphics3D.TRANSLUCENT_MASK) != 0;
this.endcaps = endcaps;
calcArgbEndcap(true);
if (diameter > 0) generateBaseEllipsePrecisely();
if (endcaps == Graphics3D.ENDCAPS_FLAT) renderFlatEndcap(true);
line3d.setLineBits(this.dxBf, this.dyBf);
for (int i = rasterCount; --i >= 0; ) plotRasterBits(i);
if (endcaps == Graphics3D.ENDCAPS_SPHERICAL) renderSphericalEndcaps();
this.xAf += dxBf;
this.yAf += dyBf;
this.zAf += dzBf;
}
