i saved particles to file by “save to file” button and got next json.
{
“name”: “particles”,
“id”: “particles”,
“capacity”: 100000,
“disposeOnStop”: false,
“manualEmitCount”: -1,
“emitterId”: “particleEmitter”,
“particleEmitterType”: {
“type”: “SphereDirectedParticleEmitter”,
“radius”: 3,
“radiusRange”: 1,
“directionRandomizer”: 0,
“direction1”: [
-100,
-1,
1
],
“direction2”: [
1,
1,
1
]
},
“texture”: {
“tags”: null,
“url”: “https://doc.babylonjs.com/img/how_to/Particles/Flare.png”,
“uOffset”: 0,
“vOffset”: 0,
“uScale”: 1,
“vScale”: 1,
“uAng”: 0,
“vAng”: 0,
“wAng”: 0,
“uRotationCenter”: 0.5,
“vRotationCenter”: 0.5,
“wRotationCenter”: 0.5,
“homogeneousRotationInUVTransform”: false,
“isBlocking”: true,
“name”: “https://doc.babylonjs.com/img/how_to/Particles/Flare.png”,
“hasAlpha”: false,
“getAlphaFromRGB”: false,
“level”: 1,
“coordinatesIndex”: 0,
“optimizeUVAllocation”: true,
“coordinatesMode”: 0,
“wrapU”: 1,
“wrapV”: 1,
“wrapR”: 1,
“anisotropicFilteringLevel”: 4,
“isCube”: false,
“is3D”: false,
“is2DArray”: false,
“gammaSpace”: true,
“invertZ”: false,
“lodLevelInAlpha”: false,
“lodGenerationOffset”: 0,
“lodGenerationScale”: 0,
“linearSpecularLOD”: false,
“isRenderTarget”: false,
“animations”: ,
“invertY”: true,
“samplingMode”: 3,
“_useSRGBBuffer”: false,
“internalTextureLabel”: “https://doc.babylonjs.com/img/how_to/Particles/Flare.png”,
“noMipmap”: false
},
“isLocal”: true,
“animations”: ,
“beginAnimationOnStart”: false,
“beginAnimationFrom”: 0,
“beginAnimationTo”: 60,
“beginAnimationLoop”: false,
“startDelay”: 0,
“renderingGroupId”: 0,
“isBillboardBased”: true,
“billboardMode”: 7,
“minAngularSpeed”: 0,
“maxAngularSpeed”: 0,
“minSize”: 0.01,
“maxSize”: 0.2,
“minScaleX”: 3.1,
“maxScaleX”: 5,
“minScaleY”: 3.1,
“maxScaleY”: 5,
“minEmitPower”: 0.1,
“maxEmitPower”: 0.3,
“minLifeTime”: 1.2,
“maxLifeTime”: 1.3,
“emitRate”: 5000,
“gravity”: [
0,
0,
0
],
“noiseStrength”: [
10,
10,
10
],
“color1”: [
0.22745098039215686,
0.34901960784313724,
0.5215686274509804,
1
],
“color2”: [
0.5372549019607843,
0.6862745098039216,
0.8784313725490196,
1
],
“colorDead”: [
0.5372549019607843,
0.6862745098039216,
0.8784313725490196,
1
],
“updateSpeed”: 0.005,
“targetStopDuration”: 0,
“blendMode”: 0,
“preWarmCycles”: 0,
“preWarmStepOffset”: 1,
“minInitialRotation”: 0,
“maxInitialRotation”: 0,
“startSpriteCellID”: 0,
“spriteCellLoop”: true,
“endSpriteCellID”: 0,
“spriteCellChangeSpeed”: 1,
“spriteCellWidth”: 0,
“spriteCellHeight”: 0,
“spriteRandomStartCell”: false,
“isAnimationSheetEnabled”: false,
“useLogarithmicDepth”: false,
“textureMask”: [
1,
1,
1,
1
],
“customShader”: null,
“preventAutoStart”: false,
“worldOffset”: [
0,
0,
0
]
}
when i loading this file using ParticleHelper.ParseFromFileAsync method i see that particle is broken. i found out that if i add line
createDirectedSphereEmitter(3, new BABYLON.Vector3(-1, -1, 100), new BABYLON.Vector3(1, 1, 100));
particle effect is in expected state. It means that save button doesn’t save correctly emitter part. Moreover when i check file
direction1 and direction2 have wrong values from what was in constructor of emitter. But even if i change them in file to correct values (-1, -1, 100) (1, 1, 100) particle effect is still broken. looks like this values doesn’t work at all because nothing change when i change them to any values
Could you please check?


