java – 如何在白色背景上显示Libgdx粒子效果？

我想知道是否有我需要启用的选项或我可能错过的一行代码？

public void render(float delta) {
    Gdx.gl.glClearColor(0,1);
    Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

    batch.begin();
    effect.update(delta);
    effect.draw(batch);

    batch.end();

}

//这是.p文件

Untitled
- Delay -
active: false
- Duration - 
lowMin: 3000.0
lowMax: 3000.0
- Count - 
min: 0
max: 200
- Emission - 
lowMin: 0.0
lowMax: 0.0
highMin: 250.0
highMax: 250.0
relative: false
scalingCount: 1
scaling0: 1.0
timelineCount: 1
timeline0: 0.0
- Life - 
lowMin: 0.0
lowMax: 0.0
highMin: 500.0
highMax: 1000.0
relative: false
scalingCount: 3
scaling0: 1.0
scaling1: 1.0
scaling2: 0.3
timelineCount: 3
timeline0: 0.0
timeline1: 0.66
timeline2: 1.0
- Life Offset - 
active: false
- X Offset - 
active: false
- Y Offset - 
active: false
- Spawn Shape - 
shape: point
- Spawn Width - 
lowMin: 0.0
lowMax: 0.0
highMin: 0.0
highMax: 0.0
relative: false
scalingCount: 1
scaling0: 1.0
timelineCount: 1
timeline0: 0.0
- Spawn Height - 
lowMin: 0.0
lowMax: 0.0
highMin: 0.0
highMax: 0.0
relative: false
scalingCount: 1
scaling0: 1.0
timelineCount: 1
timeline0: 0.0
- Scale - 
lowMin: 0.0
lowMax: 0.0
highMin: 32.0
highMax: 32.0
relative: false
scalingCount: 1
scaling0: 1.0
timelineCount: 1
timeline0: 0.0
- Velocity - 
active: true
lowMin: 0.0
lowMax: 0.0
highMin: 30.0
highMax: 300.0
relative: false
scalingCount: 1
scaling0: 1.0
timelineCount: 1
timeline0: 0.0
- Angle - 
active: true
lowMin: 90.0
lowMax: 90.0
highMin: 45.0
highMax: 135.0
relative: false
scalingCount: 3
scaling0: 1.0
scaling1: 0.0
scaling2: 0.0
timelineCount: 3
timeline0: 0.0
timeline1: 0.5
timeline2: 1.0
- Rotation - 
active: false
- Wind - 
active: false
- Gravity - 
active: false
- Tint - 
colorsCount: 3
colors0: 1.0
colors1: 0.12156863
colors2: 0.047058824
timelineCount: 1
timeline0: 0.0
- Transparency - 
lowMin: 0.0
lowMax: 0.0
highMin: 1.0
highMax: 1.0
relative: false
scalingCount: 4
scaling0: 0.0
scaling1: 1.0
scaling2: 0.75
scaling3: 0.0
timelineCount: 4
timeline0: 0.0
timeline1: 0.2
timeline2: 0.8
timeline3: 1.0
- Options - 
attached: false
continuous: false
aligned: false
additive: true
behind: false
- Image Path -
particle.png

不知道如何使.pfile看起来像道歉:(