.
	        .
	    PlaneEqn(uPlane, (u0*w0), (u1*w1), (u2*w2));
	    PlaneEqn(vPlane, (v0*w0), (v1*w1), (v2*w2));
	    PlaneEqn(wPlane, w0, w1, w2);
	        .
	        .
	    for (y = yMin; y <= yMax; y += raster.width) {
	        e0 = t0;        e1 = t1;        e2 = t2;
	        u = tu;         v = tv;         w = tw;        z = tz;
	        boolean beenInside = false;
	        for (x = xMin; x <= xMax; x++) {
	            if ((e0 >= 0) && (e1 >= 0) && (e2 >= 0))) {
	                int iz = (int) z;
	                if (iz <= raster.zbuff[y+x]) {
	                    float denom = 1.0f / w;
	                    int uval = (int) (u * denom + 0.5f);
	                    uval = tile(uval, texture.width);
	                    int vval = (int) (v * denom + 0.5f);
	                    vval = tile(vval, texture.height);
	                    int pix = texture.getPixel(uval, vval);
	                    if ((pix & 0xff000000) != 0) {
	                        raster.pixel[y+x] = pix;
	                        raster.zbuff[y+x] = iz;
	                    }
	                 }
	                 beenInside = true;
	             } else if (beenInside) break;
	             e0 += A0;   e1 += A1;   e2 += A2;
	             z += Az;    u += Au;    v += Av;    w += Aw;
	        }
	        t0 += B0;   t1 += B1;   t2 += B2;
	        tz += Bz;   tu += Bu;   tv += Bv;   tw += Bw;
	    }