New answers tagged intersection
3
votes
Accepted
X axis intersection with inverted Y axis coordinates
This is way too complicated.
Let's say the screen center is at (0,0), the asteroid coords are x,...
- 1,875
0
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X axis intersection with inverted Y axis coordinates
const b2Vec2 point_b {aerolite_pos + delta_v};
...
slope = (point_b.y - aerolite_pos.y) / (point_b.x - aerolite_pos.x);
This is equivalent to:
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- 686
2
votes
Determine if a triangle is on the screen
There are three kinds of positional relationship between two plane figures: disjoint, one inside the other, partial intersection. You need to check for partial intersection and one inside the other.
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- 686
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