A3DGE Code

Amateur 3D Game Engine

* TOctree.CheckCollisions checks object radius and ignores if it's zero or less.

+ Added a few explanations in the examples headers and a few more aestetic
changes..
+ Added example ex_collision.

Authored by: niunio 2025-06-08

changed	/trunk/docs/internal/a3dge.roadmap.md
changed	/trunk/src/engine/a3dge.pas
changed	/trunk/src/engine/a3dge.world3d.pas
changed	/trunk/src/examples/ex_gameflow.pp
changed	/trunk/src/examples/ex_heightmap.pp
changed	/trunk/src/examples/ex_hello.pp
changed	/trunk/src/examples/ex_test.pp
copied	/trunk/src/examples/ex_test.pp -> /trunk/src/examples/ex_collision.pp
copied	/trunk/src/examples/ex_test.res -> /trunk/src/examples/ex_collision.res
changed	/trunk/src/examples/ex_world.pp
changed	/trunk/src/examples/framecounter.pas
copied	/trunk/src/examples/lazarus/ex_test.lpi -> /trunk/src/examples/lazarus/ex_collision.lpi