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expose option for sweepandprune both directions so it can be tested in external games #615

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merged 2 commits into from
Feb 20, 2025
Merged

expose option for sweepandprune both directions so it can be tested in external games #615

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eac349a
add option for sap direction
dragoncoder047 Feb 19, 2025
75e3a79
docstring
dragoncoder047 Feb 20, 2025
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4 changes: 3 additions & 1 deletion src/kaplay.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,9 @@ import {
rgb,
RNG,
shuffle,
SweepAndPruneBoth,
SweepAndPruneHorizontal,
SweepAndPruneVertical,
testCirclePolygon,
testLineCircle,
testLineLine,
Expand Down Expand Up @@ -855,7 +857,7 @@ const kaplay = <
return true;
}

const sap = new SweepAndPruneHorizontal();
const sap = gopt.sapDirection === "both" ? new SweepAndPruneBoth() : gopt.sapDirection === "vertical" ? new SweepAndPruneVertical() : new SweepAndPruneHorizontal();
let sapInit = false;
function broadPhase() {
if (!usesArea()) {
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10 changes: 10 additions & 0 deletions src/types.ts
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Expand Up @@ -6025,6 +6025,16 @@ export interface KAPLAYOpt<
* @default 0
*/
spriteAtlasPadding?: number;
/**
* The direction the sweep-and-prune system should run in to speed up collisions.
*
* XXX: Don't set this to "both" right now, the implementation is extremely slow and laggy.
*
* @default "horizontal"
* @since v4000
* @experimental This feature is unstable, it may be removed at any time.
*/
sapDirection?: "horizontal" | "vertical" | "both";
}

/**
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