The number of steps in a walk is between 1 and 8 (inclusive), chosen randomly for each walk. If an unwaxed copper block is found among these 10 blocks, the judgment point is transferred to the first such block found, and 1 oxidation layer of that block is removed (if the block is still unoxidized, the block stays as it is). For each step of the walk, the game randomly selects 10 blocks from a 3×3×3 volume centered on the judgment point. In the beginning of each walk, a judgment point is set at the start point. In Java Edition, these additional blocks are chosen by random walks as follows: The position of the struck copper block is set as the start point. A lightning bolt striking an unwaxed copper block (or a lightning rod attached to one) removes all oxidation from the struck block, and may also deoxidize randomly selected copper blocks nearby. Lightning can also remove oxidation from copper blocks. The axe removes wax first, then oxidation layers. In addition, using an axe on an exposed, weathered, or oxidized copper block reverts it one stage to a regular, exposed, or weathered copper block respectively. Using an axe on a waxed copper block turns it into the respective regular copper block. The most efficient way of laying out the copper blocks for oxidation is in a 7×7×6 face-centered cubic (fcc)/cubic close-packed (ccp) lattice. Then the oxidation probability is mc 2.įor example, an unweathered copper block surrounded by 6 unweathered copper blocks and 6 exposed copper blocks has a 21.7% chance to oxidize if it enters the pre-oxidation state. We also let the modifying factor m be 0.75 if the copper block has no oxidation level, or 1 if the copper block is exposed or weathered. We derive the value of c from this equation: c = b + 1⁄ a + 1. Let a be the number of all nearby unwaxed copper blocks, and b be the number of nearby unwaxed copper blocks that have a higher oxidation level.
If there is any copper block that has a lower oxidation level, then the pre-oxidation ends, meaning that this copper block does not weather. In pre-oxidation, the copper block searches its nearby unwaxed copper blocks for a distance of 4 blocks taxicab distance. This means a copper block enters pre-oxidation after approximately 20 minutes. In Java Edition, when a random tick is given, a copper block has a 64⁄ 1125 chance to enter a state called pre-oxidation. The calculations for the oxidation behavior are as follows: However, if one wishes to increase the oxidation speed, placing oxidized copper blocks around less oxidized copper blocks does not offer a speed improvement over simply placing the blocks 4 apart. This is because a block in a group being less oxidized than the others slows down the oxidation process for all other blocks within 4 blocks of taxicab distance. In Java Edition, groups of unwaxed copper blocks oxidize far more slowly than single copper blocks that are spaced at least 4 blocks apart. Rain or water does not accelerate oxidation, and covering copper blocks with other blocks does not prevent oxidation. Oxidation of copper blocks relies only on random ticks. In the last stage (oxidized copper), the block is teal with several green spots. As the oxidation continues (weathered copper), the block is a green color with brown spots. Lightning bolts and axes can remove the oxidation on copper blocks.Īs the block begins to oxidize (exposed copper), it gets discolored and green spots begin to appear. Unwaxed copper blocks have four stages of oxidation (including the initial normal state). Stonecutting blocks of copper gives 4x more products than typical for stone. The cut variant can be crafted into slabs or stairs. Weathered or cut variants cannot be crafted back into copper ingots, but the waxed block variant can. Unwaxed copper blocks are completely deoxidized when struck by lightning, and other unwaxed copper blocks nearby are deoxidized randomly.īlocks of copper can be used to store copper ingots in a compact fashion. Waxed copper blocks do not oxidize and are identical to the non-waxed version. Copper blocks can be turned into the respective waxed copper blocks by using a honeycomb item on them.
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