andras/decla-red
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Fix net code

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This commit is contained in:
Andras Schmelczer 2026-06-14 15:01:36 +01:00
commit a1fb6755c7
1 changed files with 408 additions and 236 deletions
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27
frontend/src/scripts/shapes/planet-shape.ts
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@ -54,19 +54,24 @@ export class PlanetShape extends PolygonFactory(settings.planetEdgeCount, 0) {
float l = planetLengths[j];
float randomOffset = planetRandoms[j];
float rotation = planetRotations[j];
vec2 targetCenterDelta = target - center;
float targetDistance = length(targetCenterDelta);
vec2 targetTangent = targetCenterDelta / clamp(targetDistance, 0.01, 1000.0);
float cr = cos(rotation);
float sr = sin(rotation);
vec2 rotatedTangent = vec2(
cr * targetTangent.x - sr * targetTangent.y,
sr * targetTangent.x + cr * targetTangent.y
// Spin the whole planet: evaluate the SDF in the planet's own
// rotating frame so the polygon outline turns together with its
// terrain, instead of the terrain sliding over a fixed outline.
vec2 targetCenterDelta = target - center;
float targetDistance = length(targetCenterDelta);
vec2 localTarget = center + vec2(
cr * targetCenterDelta.x - sr * targetCenterDelta.y,
sr * targetCenterDelta.x + cr * targetCenterDelta.y
);
vec2 noisyTarget = target - (
vec2 targetTangent = (localTarget - center) / clamp(targetDistance, 0.01, 1000.0);
vec2 noisyTarget = localTarget - (
targetTangent * planetTerrain(vec2(
l * abs(atan(rotatedTangent.y, rotatedTangent.x)),
l * abs(atan(targetTangent.y, targetTangent.x)),
randomOffset
)) / 12.0
);
@ -97,9 +102,9 @@ export class PlanetShape extends PolygonFactory(settings.planetEdgeCount, 0) {
if (dist < minDistance) {
minDistance = dist;
color = mix(${colorToString(settings.declaPlanetColor)}, ${colorToString(
settings.redPlanetColor,
)}, planetColorMixQ[j]);
color = mix(${colorToString(settings.bluePlanetColor)}, ${colorToString(
settings.redPlanetColor,
)}, planetColorMixQ[j]);
}
}