透明度径向渐变材质
| Name | Type | Description | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
options |
Object |
optional
Object with the following properties:
|
Members
color : Property|undefined
基础颜色，其中透明度alpha项无效，不适用当前材质
readonly definitionChanged : Event
Gets the event that is raised whenever the definition of this property changes.
The definition is considered to have changed if a call to getValue would return
a different result for the same time.
Gets a value indicating if this property is constant. A property is considered
constant if getValue always returns the same result for the current definition.
maxAlpha : Property|Number
最大透明度，大于minAlpha即可。注意：如果过分大于minAlpha,会造成四周发黑现象
minAlpha : Property|Number
最小透明度,不小于零,应小于1.0
Methods
Compares this property to the provided property and returns
true if they are equal, false otherwise.
| Name | Type | Description |
|---|---|---|
other |
Property | optional The other property. |
Returns:
true if left and right are equal, false otherwise.
Gets the
Material type at the provided time.
| Name | Type | Description |
|---|---|---|
time |
JulianDate | The time for which to retrieve the type. |
Returns:
The type of material.
Gets the value of the property at the provided time.
| Name | Type | Description |
|---|---|---|
time |
JulianDate | The time for which to retrieve the value. |
result |
Object | optional The object to store the value into, if omitted, a new instance is created and returned. |
Returns:
The modified result parameter or a new instance if the result parameter was not supplied.