Balls/projectiles will enter the screen. You need to deflect them into the right place/goal. (Or just protect something yourself.)
How? Press + hold to slowly grow a circle at that position.
- Perhaps best if the circle also collides while growing, but becomes solid/fixed after the first collision.
- (Otherwise, we might get the problem of “body inside other body, which suddenly became solid and wants the body out of there!”)
Once you release, the circle becomes solid and stays for a few seconds. You can only create a new circle once the previous one has disappeared (or started disappearing)
Of course, instead of a circle, this could be any shape (square, triangle, hexagon, …)
IDEA: The thing you’ve grown becomes the new ball. (To discourage people from just growing huge shapes each time, easily defending anything.)
Would not work if the targets are goals of a specific size. In that case, it should be impossible to grow a shape bigger than the goal. But that’s hard to calculate for any shape
No, actually easy! Calculate the smallest circle that would fit around the shape. (Calculate bounding box. Then calculate distance from each extreme to center point. Smallest circle = biggest distance.)
IDEA: Would obviously work well in multiplayer. Though not sure if competitive or cooperative then …
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- Cosmetic: different arenas, different shapes, different backgrounds
- Different modes?
- “Keep playing” doesn’t make much sense in a score-based/team-based sports game. Would only make sense if you play an endless mode.
- So perhaps best to create two modes
- Endless (for 1-4 players, cooperative) => survive as long as possible
- Match (for 1-4 players, competitive) => fixed time limit, most points wins. (If time runs out and it’s a draw, the non-drawn players lose their goals (so nobody can score there), and we keep playing until the draw is removed.)