Piet (programming language): Difference between revisions

Revision as of 22:53, 26 November 2007

Revision as of 22:54, 26 November 2007

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1. The interpreter finds the edge of the current colour block which is furthest in the direction of the DP. (This edge may be disjoint if the block is of a complex shape.)

2. The interpreter finds the codel of the current colour block on that edge which is furthest to the CC's direction of the DP's direction of travel.
(Visualise this as standing on the program and walking in the direction of the DP; see table at right.)

3. The interpreter travels from that codel into the colour block containing the codel immediately in the direction of the DP.