• Fixed locking weapons.
• Added collision detection methods: AABB and SAT.
• Refined frame-rate auto finetuning.
• Replace starbase image.
• Swapped player ship.
• Added better sprite fragmentation on explode due to Pats grid suggestion.
• Added sprite mass.
• Removed lateral vector and replaced with a single movement vector with magnitude.
• Added velocity throttle.
• Removed velocity class - now all handled by the movement vector.
• Refined speed-based scene zooming.
• Rename: SiPoint -> SiVector.
• Added working example of collision detection.

Collisions demo: https://www.youtube.com/watch?v=w_OkoavOnHM