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Difference between revisions of "SCI/FreeSCI/Pathfinding/Specification"
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SCI/FreeSCI/Pathfinding/Specification (view source)
Revision as of 10:16, 30 January 2009
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In this section we give a formal specification of the AvoidPath kernel function. | In this section we give a formal specification of the AvoidPath kernel function. | ||
This function computes a path from a start point to an end point, avoiding a set of polygons. We start out by formalizing the main notions from [[ | This function computes a path from a start point to an end point, avoiding a set of polygons. We start out by formalizing the main notions from [[SCI/FreeSCI/Pathfinding/Patent#Sierra.27s_pathfinding_patent|Sierra's pathfinding patent]] section. | ||
A point v is a position in the plane. Let <i>x(v)</i> denote the x–coordinate of <i>v</i> and <i>y(v)</i> the y–coordinate of <i>v</i>. | A point v is a position in the plane. Let <i>x(v)</i> denote the x–coordinate of <i>v</i> and <i>y(v)</i> the y–coordinate of <i>v</i>. | ||