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Ray-casting algorithm: Difference between revisions
Updated D code
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(Updated D code) |
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=={{header|D}}==
<lang d>import std.stdio, std.math, std.algorithm
immutable struct Point { double x, y; }▼
immutable struct Figure {
string name;
Edge[] edges;
}
▲immutable struct Edge { Point a, b; } // Figure edge from a to b
▲immutable struct Point { double x, y; }
bool contains(in Figure poly, in Point p) pure nothrow {
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}
▲ return count!((e){return raySegI(p,e);})(cast()poly.edges) % 2;
}
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