29 lines
910 B
TypeScript
29 lines
910 B
TypeScript
export const inRect = (x: number, y: number, rectX: number, rectY: number, rectW: number, rectH: number) => {
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return (
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x >= rectX &&
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x < rectX+rectW &&
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y >= rectY &&
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y < rectY+rectH
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)
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}
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export function reGridWithGap (x: number, y: number, gridX: number, gridY: number, cellW: number, cellH: number, gapX: number, gapY: number): {x: number, y: number} | null {
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const gx = Math.floor((x-gridX)/(cellW+gapX));
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const gy = Math.floor((y-gridY)/(cellH+gapY));
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if (x >= gridX+(cellW+gapX)*gx+cellW || y >= gridY+(cellH+gapY)*gy+cellH) {
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return null;
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}
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return {
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x: Math.floor((x-gridX)/(cellW+gapX)),
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y: Math.floor((y-gridY)/(cellH+gapY)),
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}
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}
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export function reGrid (x: number, y: number, gridX: number, gridY: number, cellW: number, cellH: number): {x: number, y: number} {
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const gx = Math.floor((x-gridX)/(cellW));
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const gy = Math.floor((y-gridY)/(cellH));
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return {
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x: gx,
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y: gy,
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}
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} |