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gravity exponent

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This commit is contained in:
Jan Prochazka 2022-01-20 09:56:22 +01:00
parent 2303cf1611
commit d85b9c9bb5
1 changed files with 10 additions and 2 deletions
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12
packages/web/src/designer/GraphLayout.ts
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@ -18,6 +18,7 @@ const GRAVITY_Y = 0.01;
const REPULSION = 1000;
const MAX_FORCE_SIZE = 100;
const NODE_MARGIN = 30;
const GRAVITY_EXPONENT = 1.05;
// const MOVE_STEP = 20;
// const MOVE_BIG_STEP = 50;
@ -210,8 +211,15 @@ class ForceAlgorithmStep {
applyGravity() {
for (const node of _.values(this.layout.nodes)) {
var direction = node.position.multiply(-1.0);
this.applyForce(node, new Vector2D(direction.x * GRAVITY_X, direction.y * GRAVITY_Y));
this.applyForce(
node,
// new Vector2D(-node.position.x * GRAVITY_X, -node.position.y * GRAVITY_Y)
new Vector2D(
-Math.pow(Math.abs(node.position.x), GRAVITY_EXPONENT) * Math.sign(node.position.x) * GRAVITY_X,
-Math.pow(Math.abs(node.position.y), GRAVITY_EXPONENT) * Math.sign(node.position.y) * GRAVITY_Y
)
);
}
}