Find the intersection of two lines: Difference between revisions
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Alextretyak (talk | contribs) (Added 11l) |
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<br>The 2<sup>nd</sup> line passes though <big> (0,3) </big> and <big> (10,7)</big> . |
<br>The 2<sup>nd</sup> line passes though <big> (0,3) </big> and <big> (10,7)</big> . |
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<br><br> |
<br><br> |
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=={{header|11l}}== |
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{{trans|Python}} |
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<lang 11l>F line_intersect(Ax1, Ay1, Ax2, Ay2, Bx1, By1, Bx2, By2) |
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V d = (By2 - By1) * (Ax2 - Ax1) - (Bx2 - Bx1) * (Ay2 - Ay1) |
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I d == 0 |
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R (Float.infinity, Float.infinity) |
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V uA = ((Bx2 - Bx1) * (Ay1 - By1) - (By2 - By1) * (Ax1 - Bx1)) / d |
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V uB = ((Ax2 - Ax1) * (Ay1 - By1) - (Ay2 - Ay1) * (Ax1 - Bx1)) / d |
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I !(uA C 0.0..1.0 & uB C 0.0..1.0) |
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R (Float.infinity, Float.infinity) |
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V x = Ax1 + uA * (Ax2 - Ax1) |
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V y = Ay1 + uA * (Ay2 - Ay1) |
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R (x, y) |
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V (a, b, c, d) = (4.0, 0.0, 6.0, 10.0) |
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V (e, f, g, h) = (0.0, 3.0, 10.0, 7.0) |
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V pt = line_intersect(a, b, c, d, e, f, g, h) |
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print(pt)</lang> |
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{{out}} |
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<pre> |
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(5, 5) |
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</pre> |
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=={{header|360 Assembly}}== |
=={{header|360 Assembly}}== |
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