Open JujieX opened 2 months ago
Describe the bug speed is still 0 when use ParticleCurveMode as Curve.
WebGLEngine.create({ canvas: "canvas", graphicDeviceOptions: { webGLMode: WebGLMode.WebGL1 }, }).then((engine) => { Logger.enable(); engine.canvas.resizeByClientSize(); const scene = engine.sceneManager.activeScene; const rootEntity = scene.createRootEntity(); scene.background.solidColor = new Color(15 / 255, 38 / 255, 18 / 255, 1); // Create camera const cameraEntity = rootEntity.createChild("camera_entity"); cameraEntity.transform.position = new Vector3(0, 1, 3); const camera = cameraEntity.addComponent(Camera); camera.fieldOfView = 60; const particleEntity = cameraEntity.createChild(); particleEntity.transform.position.set(0, -7.5, -8); const particleRenderer = particleEntity.addComponent(ParticleRenderer); const material = new ParticleMaterial(engine); particleRenderer.setMaterial(material); const { main, emission, velocityOverLifetime } = particleRenderer.generator; // Main module main.startSpeed.constant = 0; // Emission module emission.rateOverTime.constant = 5; // Velocity over lifetime module velocityOverLifetime.enabled = true; // velocityOverLifetime.velocityY.mode = ParticleCurveMode.Constant; // velocityOverLifetime.velocityY.constant = 1; velocityOverLifetime.velocityY.curve = new ParticleCurve(); velocityOverLifetime.velocityY.curve.setKeys([ new CurveKey(0, 1), new CurveKey(1, 1), ]); velocityOverLifetime.velocityY.mode = ParticleCurveMode.Curve; }); engine.run();
Expected behavior
velocityOverLifetime.velocityY.mode = ParticleCurveMode.Constant; velocityOverLifetime.velocityY.constant = 1;
velocityOverLifetime.velocityY.curve = new ParticleCurve(); velocityOverLifetime.velocityY.curve.setKeys([ new CurveKey(0, 1), new CurveKey(1, 1), ]); velocityOverLifetime.velocityY.mode = ParticleCurveMode.Curve; });
should has almost same performance
Describe the bug speed is still 0 when use ParticleCurveMode as Curve.
Expected behavior
should has almost same performance