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-rw-r--r--graphics/asymptote/examples/vertexshading.asy14
1 files changed, 14 insertions, 0 deletions
diff --git a/graphics/asymptote/examples/vertexshading.asy b/graphics/asymptote/examples/vertexshading.asy
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+++ b/graphics/asymptote/examples/vertexshading.asy
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+import three;
+
+size(200);
+
+currentprojection=perspective(4,5,5);
+
+draw(surface(unitcircle3,new pen[] {red,green,blue,black}));
+draw(surface(shift(Z)*unitsquare3,
+ new pen[] {red,green+opacity(0.5),blue,black}));
+draw(surface(shift(X)*((0,0,0)..controls (1,0,0) and (2,0,0)..(3,0,0)..
+ controls (2.5,sqrt(3)/2,0) and (2,sqrt(3),0)..
+ (1.5,3*sqrt(3)/2,0)..
+ controls (1,sqrt(3),0) and (0.5,sqrt(3)/2,0)..cycle),
+ new triple[] {(1.5,sqrt(3)/2,2)},new pen[] {red,green,blue}));