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Click on “EDIT” and select a control point to change the parameter's settings. The circle around indicates the forces' scope or radius. Only particles or rigid/soft bodies inside the viewport's circles will be affected. The circles' sizes can be controlled with the yellow dot: hit the R key, select one or more dots, and move it.
@ CP speed
Click on “EDIT” and select a control point to change the parameter's settings. “@ CP speed” lets you determine emission speed for every control point individually.
@ CP rotation
Click on “EDIT” and select a control point to change the parameter's settings.“@ CP rotation” lets you change emission direction for every control point individually. This value is measured in degrees.
@ CP link
Every control point can be linked to another node, e.g. to animate a point's position. Normally, “Null” nodes are used for this purpose, but any other node will work as well. Simply click on “-” to open a node list.
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