Lines Matching refs:tb
973 tb = Math.atan2(vy, vx);
974 if (tb >= ta) {
975 return tb - ta;
978 return 2 * Math.PI - (ta - tb);
18893 tr, tg, tb,
18918 tb = source[2] * this.alpha;
18930 tb = source[i + 2] * this.alpha;
18937 data[i + 2] = b * tb / 255;
18942 data[i + 2] = 1 - (1 - b) * (1 - tb);
18947 data[i + 2] = Math.min(255, b + tb);
18953 data[i + 2] = Math.abs(b - tb);
18958 _b = b - tb;
18967 data[i + 2] = Math.min(b, tb);
18972 data[i + 2] = Math.max(b, tb);