Unity technical manual - shape sub module - Sprite, spriterenderer and velocity over lifetime

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Premise

This is what Xiao Kong insisted on writing Unity Novice series , Welcome to taste .

Novice （√√√）

bosses （√）
The particle section is a series of articles , And the introduction was very detailed , Suggest Collection .

Practice process

Sprite、SpriteRenderer

Sprite： from Inspector The sprite material shapes provided in emit particles .

SpriteRenderer： From the referenced GameObject sprite renderer in (Sprite Renderer) Emission particle .

Type： Specify where to emit particles . If you choose Vertex It means that particles are emitted from the vertex , Edge It means that particles are emitted from the edge , Triangle It means that particles are emitted from the triangle . By default , Here is Vertex.

Normal Offset： How far from the surface of the sprite does it emit particles （ In the direction of the surface normal ）

Other attributes work the same as those of the sphere , The article is in ：https://juejin.cn/post/7107415779007528968.

Circle circular 、Edge edge 、Rectangle rectangular

All properties are in https://zhima.blog.csdn.net/article/details/125360978 There are introductions , Attributes have the same effect , Don't repeat it too much .

Life cycle speed （Velocity over Lifetime） Sub module

Linear X, Y, Z： Indicates that the particle is in X Axis 、Y Axis and Z Linear velocity on the shaft .

Space： Appoint Linear Of X Axis , Y Axis , Z Whether the axis refers to local space or world space .

Orbital X, Y, Z： Particle surround X Axis 、Y Axis and Z The speed at which the orbit of the shaft rotates .

Offset X, Y, Z： Location from track center , Particles suitable for orbital motion .

Orbital and Offset The combination can achieve a tornado like particle effect , without Radial Is a cylindrical rotating particle with the same radius , If there is Radial The attribute is the upper large and lower small cone rotation , More like a tornado .

Radial： The official translation is that particles are far away from / Radial velocity towards the center , In fact, you can see by setting a value , The farther away from the launch point, the larger the radius , Like a tornado up and down .

Speed Modifier： In the current direction of travel / The velocity of the surrounding particles is multiplied by the value of the attribute .

The above attribute values basically support constant values , From the rightmost inverted triangle in the figure, you can switch , Curve change （ Visual single curve editing ）, Numerical range （ More than how much - Less than how much ）, Hyperbolic interval value （ Visual hyperbolic editing ）.

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author ： Xiaokong and Xiaozhi Xiaokong
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