struct Eagle::Particles2D::Particle

Eagle::Particles2D::Particle
Struct
Value
Object

Overview

One live particle. Only needed with custom_update.

Defined in:

eagle/nodes/particles2d.cr

Constructors

.new

Instance Method Summary

#alive? : Bool
True while the particle has life left.
#angular_velocity : Float32
Spin in radians per second.
#angular_velocity=(angular_velocity : Float32)
Spin in radians per second.
#initialize
#life : Float32
Seconds left to live.
#life=(life : Float32)
Seconds left to live.
#max_life : Float32
Total lifetime in seconds.
#max_life=(max_life : Float32)
Total lifetime in seconds.
#position : Vec2
Position of the particle.
#position=(position : Vec2)
Position of the particle.
#rotation : Float32
Rotation in radians.
#rotation=(rotation : Float32)
Rotation in radians.
#seed : Float32
A random value from 0 to 1, fixed per particle, for per-particle variation.
#seed=(seed : Float32)
A random value from 0 to 1, fixed per particle, for per-particle variation.
#size : Float32
Current size multiplier.
#size=(size : Float32)
Current size multiplier.
#t : Float32
How far through its life the particle is, from 0 to 1.
#velocity : Vec2
Velocity in points per second.
#velocity=(velocity : Vec2)
Velocity in points per second.

Constructor Detail

def self.new #

Instance Method Detail

def alive? : Bool #

True while the particle has life left.

def angular_velocity : Float32 #

Spin in radians per second.

def angular_velocity=(angular_velocity : Float32) #

Spin in radians per second.

def initialize #

def life : Float32 #

Seconds left to live.

def life=(life : Float32) #

Seconds left to live.

def max_life : Float32 #

Total lifetime in seconds.

def max_life=(max_life : Float32) #

Total lifetime in seconds.

def position : Vec2 #

Position of the particle.

def position=(position : Vec2) #

Position of the particle.

def rotation : Float32 #

Rotation in radians.

def rotation=(rotation : Float32) #

Rotation in radians.

def seed : Float32 #

A random value from 0 to 1, fixed per particle, for per-particle variation.

def seed=(seed : Float32) #

A random value from 0 to 1, fixed per particle, for per-particle variation.

def size : Float32 #

Current size multiplier.

def size=(size : Float32) #

Current size multiplier.

def t : Float32 #

How far through its life the particle is, from 0 to 1.

def velocity : Vec2 #

Velocity in points per second.

def velocity=(velocity : Vec2) #

Velocity in points per second.