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Remove no longer needed checks for coordinates.length

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This commit is contained in:
Andreas Hocevar
2020-12-03 23:29:33 +01:00
parent 651c1aa6c4
commit ec53d4fc57
2 changed files with 89 additions and 98 deletions
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44
examples/draw-shapes.js
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@@ -43,30 +43,28 @@ function addInteraction() {
} else if (value === 'Star') {
value = 'Circle';
geometryFunction = function (coordinates, geometry) {
if (coordinates.length) {
const center = coordinates[0];
const last = coordinates[coordinates.length - 1];
const dx = center[0] - last[0];
const dy = center[1] - last[1];
const radius = Math.sqrt(dx * dx + dy * dy);
const rotation = Math.atan2(dy, dx);
const newCoordinates = [];
const numPoints = 12;
for (let i = 0; i < numPoints; ++i) {
const angle = rotation + (i * 2 * Math.PI) / numPoints;
const fraction = i % 2 === 0 ? 1 : 0.5;
const offsetX = radius * fraction * Math.cos(angle);
const offsetY = radius * fraction * Math.sin(angle);
newCoordinates.push([center[0] + offsetX, center[1] + offsetY]);
}
newCoordinates.push(newCoordinates[0].slice());
if (!geometry) {
geometry = new Polygon([newCoordinates]);
} else {
geometry.setCoordinates([newCoordinates]);
}
return geometry;
const center = coordinates[0];
const last = coordinates[coordinates.length - 1];
const dx = center[0] - last[0];
const dy = center[1] - last[1];
const radius = Math.sqrt(dx * dx + dy * dy);
const rotation = Math.atan2(dy, dx);
const newCoordinates = [];
const numPoints = 12;
for (let i = 0; i < numPoints; ++i) {
const angle = rotation + (i * 2 * Math.PI) / numPoints;
const fraction = i % 2 === 0 ? 1 : 0.5;
const offsetX = radius * fraction * Math.cos(angle);
const offsetY = radius * fraction * Math.sin(angle);
newCoordinates.push([center[0] + offsetX, center[1] + offsetY]);
}
newCoordinates.push(newCoordinates[0].slice());
if (!geometry) {
geometry = new Polygon([newCoordinates]);
} else {
geometry.setCoordinates([newCoordinates]);
}
return geometry;
};
}
draw = new Draw({