c = lerp(a, b, sy);
/* interpolate along the bottom slice of the cell */
- u = dotgrad3(grad3[b00 + bz0], rx0, ry0, rz1);
- v = dotgrad3(grad3[b10 + bz0], rx1, ry0, rz1);
+ u = dotgrad3(grad3[b00 + bz1], rx0, ry0, rz1);
+ v = dotgrad3(grad3[b10 + bz1], rx1, ry0, rz1);
a = lerp(u, v, sx);
- u = dotgrad3(grad3[b01 + bz0], rx0, ry1, rz1);
- v = dotgrad3(grad3[b11 + bz0], rx1, ry1, rz1);
+ u = dotgrad3(grad3[b01 + bz1], rx0, ry1, rz1);
+ v = dotgrad3(grad3[b11 + bz1], rx1, ry1, rz1);
b = lerp(u, v, sx);
d = lerp(a, b, sy);
c = lerp(a, b, sy);
/* interpolate along the bottom slice of the cell */
- u = dotgrad3(grad3[b00 + bz0], rx0, ry0, rz1);
- v = dotgrad3(grad3[b10 + bz0], rx1, ry0, rz1);
+ u = dotgrad3(grad3[b00 + bz1], rx0, ry0, rz1);
+ v = dotgrad3(grad3[b10 + bz1], rx1, ry0, rz1);
a = lerp(u, v, sx);
- u = dotgrad3(grad3[b01 + bz0], rx0, ry1, rz1);
- v = dotgrad3(grad3[b11 + bz0], rx1, ry1, rz1);
+ u = dotgrad3(grad3[b01 + bz1], rx0, ry1, rz1);
+ v = dotgrad3(grad3[b11 + bz1], rx1, ry1, rz1);
b = lerp(u, v, sx);
d = lerp(a, b, sy);