new BHell_Emitter_Rotate()
Rotating emitter. It spawns a single bullet moving upwards, while moving in a circular pattern.
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Extends
Methods
initialize(x, y, params, parent, bulletList)
Constructor. Additional parameters:
- dt: rotation speed (in radians per frame),
- theta: initial angle (in radians),
- radius: rotation radius around the pivot.
Parameters:
| Name | Type | Description |
|---|---|---|
x |
X coordinate of the rotation pivot. |
|
y |
Y coordinate of the rotation pivot. |
|
params |
Emitter's and bullets' parameters. |
|
parent |
Container for the sprites. |
|
bulletList |
Array in which the bullets will be pushed. |
- Overrides:
- Source:
move(x, y)
Rotates the emitter around the pivot.
Parameters:
| Name | Type | Description |
|---|---|---|
x |
Pivot's new x coordinate. |
|
y |
Pivot's new y coordinate. |
- Overrides:
- Source:
shoot()
Spawns a single bullet moving upwards. Bullet's speed and appearance are determined by this.bulletParams.
- Inherited From:
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update()
Updates the emitter's sprite and state. Called every frame. Shoots if in shooting state.
- Inherited From:
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updateCharacterFrame()
Updates the charset frame, calculating the correct offsets.
- Inherited From:
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