new Throwableobject()
Represents a throwable salsa bottle in the game, extending the MovableObject class.
It can be thrown in a chosen direction, rotates while in the air, and splashes upon hitting the ground.
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Extends
Members
IMAGES_ROTATION :Array.<string>
An array of image paths for the bottle's rotation animation.
Type:
- Array.<string>
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IMAGES_SPLASH :Array.<string>
An array of image paths for the bottle's splash animation upon impact.
Type:
- Array.<string>
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acceleration :number
Acceleration used for gravity effects.
Type:
- number
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bottleIsBroken :boolean
Indicates whether the bottle has broken (splash animation completed).
Type:
- boolean
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currentImage :number
Index of the current image in the animation cycle.
Type:
- number
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enemyIsDead :boolean
Indicates if the enemy is dead. Not used for characters.
Type:
- boolean
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energy :number
The energy level of the object.
Type:
- number
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height :number
The height of the drawable object.
Type:
- number
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imageCache :Object.<string, HTMLImageElement>
A cache for storing images, with the image path as the key.
Type:
- Object.<string, HTMLImageElement>
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img :HTMLImageElement
The image used for the drawable object.
Type:
- HTMLImageElement
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lastHit :number
Timestamp of the last time the object was hit.
Type:
- number
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moveInterval :number|undefined
Interval ID for movement-related loops.
Type:
- number | undefined
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offset :Object
Offset values for adjusting collision detection or rendering.
Type:
- Object
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speed :number
Horizontal speed of the object.
Type:
- number
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speedY :number
Vertical speed of the object.
Type:
- number
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width :number
The width of the drawable object.
Type:
- number
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world :object
Reference to the game world.
Type:
- object
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x :number
The x-coordinate position of the drawable object.
Type:
- number
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y :number
The y-coordinate position of the drawable object.
Type:
- number
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Methods
animate()
Handles the rotation animation while the bottle is in the air.
Once the bottle lands, triggers the splash animation.
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animateSplash()
Plays the splash animation after the bottle hits the ground.
Once the final frame is reached, marks the bottle as broken.
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applyGravity()
Applies gravity to the object by updating its vertical position.
The object's vertical speed is decreased by its acceleration at regular intervals.
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draw(ctx)
Draws the current image on the provided canvas context.
Parameters:
| Name | Type | Description |
|---|---|---|
ctx |
CanvasRenderingContext2D | The drawing context of a canvas. |
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hit()
Reduces the object's energy when hit.
If the energy drops below zero, it is set to zero.
Otherwise, the last hit timestamp is updated.
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isAboveGround() → {boolean}
Determines if the object is currently above the ground.
Ground detection differs based on the type of object.
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Returns:
True if the object is above the ground, otherwise false.
- Type
- boolean
isColliding(obj) → {boolean}
Checks if this object is colliding with another movable object.
Collision detection accounts for offset values for more accurate boundaries.
Parameters:
| Name | Type | Description |
|---|---|---|
obj |
MovableObject | The other object to check collision against. |
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Returns:
True if a collision is detected, otherwise false.
- Type
- boolean
isDead() → {boolean}
Determines if the object is dead based on its energy level.
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Returns:
True if the object's energy is zero, otherwise false.
- Type
- boolean
isHurt() → {boolean}
Checks if the object is currently in a hurt state.
An object is considered hurt if it was hit within the last second.
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Returns:
True if the object is hurt, otherwise false.
- Type
- boolean
jump()
Initiates a jump by setting the vertical speed to a positive value.
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loadImage(path)
Loads a single image from the specified path.
Parameters:
| Name | Type | Description |
|---|---|---|
path |
string | The path of the image to load. |
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loadImages(arr)
Loads multiple images and stores them in the image cache.
Parameters:
| Name | Type | Description |
|---|---|---|
arr |
Array.<string> | An array of image paths. |
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moveLeft()
Moves the object to the left by its horizontal speed.
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moveRight()
Moves the object to the right by its horizontal speed.
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playAnimation(images)
Animates the object by cycling through a set of images.
The displayed image is updated based on the current animation frame.
Parameters:
| Name | Type | Description |
|---|---|---|
images |
Array.<string> | An array of image paths used for the animation. |
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remove()
Removes this throwable object from the world's array of throwable objects (if present).
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trow(otherDirektion)
Initiates the throwing behavior by setting vertical speed and applying gravity,
then continuously updates the bottle's movement until it hits the ground.
Parameters:
| Name | Type | Description |
|---|---|---|
otherDirektion |
boolean | Determines the horizontal direction of the throw. |
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updateThrowMovement(otherDirektion)
Updates the bottle's horizontal movement based on the throw direction.
Stops the throwing interval and restarts animation when the bottle hits the ground.
Parameters:
| Name | Type | Description |
|---|---|---|
otherDirektion |
boolean | Determines the horizontal direction of the throw. |
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