**API list**
----

{{anchor:calccolor}}
**void CalcColor(in float coef, in int scheme, out vec4 color)**
  *function: 给定归一化的值，按照颜色方案计算颜色
  *parameters: 
    - [i] float coef: 归一化的值
    - [i] int scheme: 颜色方案
    - [o] vec4 color: 颜色值
  *return value: 无

{{anchor:calcbeltcoef}}
**float CalcBeltCoef(in float coef, in int div)**
  *function: 给定归一化的值，计算色带值
  *parameters: 
    - [i] float coef: 归一化的值
    - [i] int div: 色带数
  *return value: 色带值

{{anchor:calcnewcoord}}
**void CalcNewCoord(in vec3 dir, in vec3 pt, out vec3 coord)**
  *function: 计算给定点在指定方向为Z轴下的局部坐标
  *parameters: 
    - [i] vec3 dir: 指定的Z轴方向
    - [i] vec3 pt: 输入全局点坐标
    - [o] vec3 coord: 输出局部坐标
  *return value: 无

{{anchor:calcnewcoord2}}
**void CalcNewCoord2(in vec3 dir, in vec3 pt, in float scale, out vec3 coord)**
  *function: 计算给定点在指定方向为Z轴下的局部坐标（X、Y坐标归一化）
  *parameters: 
    - [i] vec3 dir: 指定的Z轴方向
    - [i] vec3 pt: 输入全局点坐标
    - [i] float scale: 局部Z坐标缩放系数
    - [o] vec3 coord: 输出局部坐标
  *return value: 无

{{anchor:calctransformmatrixfromz2v}}
**void CalcTransformMatrixFromZ2V(in vec3 V, out vec3 X, out vec3 Y, out vec3 Z)**
  *function: 计算从全局坐标系Z轴转到指定方向的局部坐标轴矢量
  *parameters: 
    - [i] vec3 V: 指定的Z轴方向
    - [o] vec3 X: 局部X轴矢量
    - [o] vec3 Y: 局部Y轴矢量
    - [o] vec3 Z: 局部Z轴矢量
  *return value: 

{{anchor:convertcoord}}
**void ConvertCoord(inout vec3 oldCoord, inout vec3 X, inout vec3 Y, inout vec3 Z, out vec3 newCoord)**
  *function: 计算全局坐标在局部坐标系下的坐标值
  *parameters: 
    - [i] inout vec3 oldCoord: 全局坐标
    - [i] inout vec3 X: 局部X轴矢量
    - [i] inout vec3 Y: 局部Y轴矢量
    - [i] inout vec3 Z: 局部Z轴矢量
    - [o] vec3 newCoord: 局部坐标
  *return value: 无

{{anchor:scalecoord}}
**void ScaleCoord(float scaleX, float scaleY, float scaleZ, inout vec3 coord)**
  *function: 坐标缩放
  *parameters: 
    - [i] float scaleX: X坐标缩放系数
    - [i] float scaleY: X坐标缩放系数
    - [i] float scaleZ: X坐标缩放系数
    - [i] inout vec3 coord: 坐标值
  *return value: 无

{{anchor:checkclip}}
**bool CheckClip()**
  *function: 检查是否允许裁剪
  *parameters: NULL
  *return value: 允许裁剪返回true，否则返回false

{{anchor:calccoolcolor}}
**void CalcCoolColor(in float coef, out vec4 color)**
  *function: 计算Cool方案的颜色值
  *parameters: 
    - [i] float coef: 归一化值
    - [o] vec4 color: Cool方案的颜色值
  *return value: 无

{{anchor:calcdamagecolor}}
**void CalcDamageColor(in float coef, out vec4 color)**
  *function: 计算Damage方案的颜色值
  *parameters: 
    - [i] float coef: 归一化值
    - [o] vec4 color: Damage方案的颜色值
  *return value: 无

{{anchor:calcdefaultcolor}}
**void CalcDefaultColor(in float coef, out vec4 color)**
  *function: 计算默认方案的颜色值
  *parameters: 
    - [i] float coef: 归一化值
    - [o] vec4 color: 默认方案的颜色值
  *return value: 无

{{anchor:calcgraycolor}}
**void CalcGrayColor(in float coef, out vec4 color)**
  *function: 计算Gray方案的颜色值
  *parameters: 
    - [i] float coef: 归一化值
    - [o] vec4 color: Gray方案的颜色值
  *return value: 无

{{anchor:calcgraybandcolor}}
**void CalcGrayBandColor(in float coef, out vec4 color)**
  *function: 计算Cool方案的颜色值
  *parameters: 
    - [i] float coef: 归一化值
    - [o] vec4 color: GrayBand方案的颜色值
  *return value: 无

{{anchor:calchotcolor}}
**void CalcHotColor(in float coef, out vec4 color)**
  *function: 计算Hot方案的颜色值
  *parameters: 
    - [i] float coef: 归一化值
    - [o] vec4 color: Hot方案的颜色值
  *return value: 无

{{anchor:calchsvcolor}}
**void CalcHSVColor(in float coef, out vec4 color)**
  *function: 计算HSV方案的颜色值
  *parameters: 
    - [i] float coef: 归一化值
    - [o] vec4 color: HSV方案的颜色值
  *return value: 无

{{anchor:calcrainbowcolor}}
**void CalcRainbowColor(in float coef, out vec4 color)**
  *function: 计算Rainbow方案的颜色值
  *parameters: 
    - [i] float coef: 归一化值
    - [o] vec4 color: Rainbow方案的颜色值
  *return value: 无

{{anchor:vector3rotatebyaxis}}
**void Vector3RotateByAxis(in vec3 N, in float c, in float s, in vec3 src, out vec3 to)**
  *function: 将指定点绕指定轴旋转一个角度
  *parameters: 
    - [i] vec3 N: 旋转轴
    - [i] float c: 旋转角度的余弦
    - [i] float s: 旋转角度的正弦
    - [i] vec3 src: 输入坐标
    - [o] vec3 to: 旋转之后的坐标
  *return value: 无

{{anchor:calcpitchr}}
**float CalcPitchR(in vec3 N, in float theta, in vec3 src, in int i)**
  *function: 计算节径值
  *parameters: 
    - [i] vec3 N: 旋转轴
    - [i] float theta: 旋转角度
    - [i] vec3 src: 输入矢量
    - [i] int i: 分量
  *return value: 节径值

{{anchor:calcpitchr0}}
**float CalcPitchR0(in mat3 tr, in vec3 src, in int i)**
  *function: 计算节径值
  *parameters: 
    - [i] mat3 tr: 节径转换矩阵
    - [i] vec3 src: 输入矢量
    - [i] int i: 分量
  *return value: 指定分量的节径值