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https://github.com/SleepingInsomniac/pixelfaucet
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17 lines
484 B
Crystal
17 lines
484 B
Crystal
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require "./spec_helper"
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require "../src/g3d"
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require "../src/vector"
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describe "line_intersects_plane" do
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it "intersects a plane at a known point" do
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line_start = PF::Vector[0.0, 0.0, -5.0]
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line_end = PF::Vector[0.0, 0.0, 5.0]
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plane_normal = PF::Vector[0.0, 0.0, 1.0]
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plane_point = PF::Vector[0.0, 0.0, 0.0]
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intersect = PF::G3d.line_intersects_plane(plane_point, plane_normal, line_start, line_end)
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intersect.should eq(PF::Vector[0.0, 0.0, 0.0])
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end
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end
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