Modifies the Sprite2DRenderer's color by multiplying it's initial color by
curve. The value of curve at time 0.0 defines the particle's color at the
beginning of its lifetime. The value at time 1.0 defines the particle's
color at the end of its lifetime.
Modifies the Sprite2DRenderer's color by multiplying it's initial color by curve. The value of curve at time 0.0 defines the particle's color at the beginning of its lifetime. The value at time 1.0 defines the particle's color at the end of its lifetime.