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StdMeshMaterialTextureUnit::Transformation Struct Reference

#include <StdMeshMaterial.h>

Public Types

enum  Type {
  T_SCROLL , T_SCROLL_ANIM , T_ROTATE , T_ROTATE_ANIM ,
  T_SCALE , T_TRANSFORM , T_WAVE_XFORM
}
 
enum  XFormType {
  XF_SCROLL_X , XF_SCROLL_Y , XF_ROTATE , XF_SCALE_X ,
  XF_SCALE_Y
}
 
enum  WaveType {
  W_SINE , W_TRIANGLE , W_SQUARE , W_SAWTOOTH ,
  W_INVERSE_SAWTOOTH
}
 

Public Member Functions

double GetScrollX (double t) const
 
double GetScrollY (double t) const
 
double GetRotate (double t) const
 
double GetWaveXForm (double t) const
 

Public Attributes

Type TransformType
 
union {
   struct {
float X
 
float Y
 
   } Scroll
 
   struct {
float XSpeed
 
float YSpeed
 
   } ScrollAnim
 
   struct {
float Angle
 
   } Rotate
 
   struct {
float RevsPerSec
 
   } RotateAnim
 
   struct {
float X
 
float Y
 
   } Scale
 
   struct {
float M [16]
 
   } Transform
 
   struct {
XFormType XForm
 
WaveType Wave
 
float Base
 
float Frequency
 
float Phase
 
float Amplitude
 
   } WaveXForm
 
}; 
 

Detailed Description

Definition at line 248 of file StdMeshMaterial.h.

Member Enumeration Documentation

◆ Type

enum StdMeshMaterialTextureUnit::Transformation::Type
Enumerator
T_SCROLL 
T_SCROLL_ANIM 
T_ROTATE 
T_ROTATE_ANIM 
T_SCALE 
T_TRANSFORM 
T_WAVE_XFORM 

Definition at line 250 of file StdMeshMaterial.h.

251  {
252  T_SCROLL,
253  T_SCROLL_ANIM,
254  T_ROTATE,
255  T_ROTATE_ANIM,
256  T_SCALE,
257  T_TRANSFORM,
258  T_WAVE_XFORM
259  };

◆ WaveType

enum StdMeshMaterialTextureUnit::Transformation::WaveType
Enumerator
W_SINE 
W_TRIANGLE 
W_SQUARE 
W_SAWTOOTH 
W_INVERSE_SAWTOOTH 

Definition at line 270 of file StdMeshMaterial.h.

271  {
272  W_SINE,
273  W_TRIANGLE,
274  W_SQUARE,
275  W_SAWTOOTH,
276  W_INVERSE_SAWTOOTH
277  };

◆ XFormType

enum StdMeshMaterialTextureUnit::Transformation::XFormType
Enumerator
XF_SCROLL_X 
XF_SCROLL_Y 
XF_ROTATE 
XF_SCALE_X 
XF_SCALE_Y 

Definition at line 261 of file StdMeshMaterial.h.

262  {
263  XF_SCROLL_X,
264  XF_SCROLL_Y,
265  XF_ROTATE,
266  XF_SCALE_X,
267  XF_SCALE_Y
268  };

Member Function Documentation

◆ GetRotate()

double StdMeshMaterialTextureUnit::Transformation::GetRotate ( double  t) const
inline

Definition at line 294 of file StdMeshMaterial.h.

294 { assert(TransformType == T_ROTATE_ANIM); return fmod(RotateAnim.RevsPerSec * t, 1.0) * 360.0; }

References T_ROTATE_ANIM, and TransformType.

◆ GetScrollX()

double StdMeshMaterialTextureUnit::Transformation::GetScrollX ( double  t) const
inline

Definition at line 292 of file StdMeshMaterial.h.

292 { assert(TransformType == T_SCROLL_ANIM); return ScrollAnim.XSpeed * t; }

References T_SCROLL_ANIM, and TransformType.

◆ GetScrollY()

double StdMeshMaterialTextureUnit::Transformation::GetScrollY ( double  t) const
inline

Definition at line 293 of file StdMeshMaterial.h.

293 { assert(TransformType == T_SCROLL_ANIM); return ScrollAnim.YSpeed * t; }

References T_SCROLL_ANIM, and TransformType.

◆ GetWaveXForm()

double StdMeshMaterialTextureUnit::Transformation::GetWaveXForm ( double  t) const

Definition at line 940 of file StdMeshMaterial.cpp.

941 {
942  assert(TransformType == T_WAVE_XFORM);
943  const double val = fmod(WaveXForm.Frequency * t + WaveXForm.Phase, 1.0);
944  switch (WaveXForm.Wave)
945  {
946  case W_SINE: return WaveXForm.Base + WaveXForm.Amplitude*0.5*(1.0 + sin(val * 2.0 * M_PI));
947  case W_TRIANGLE: if (val < 0.5) return WaveXForm.Base + WaveXForm.Amplitude*2.0*val; else return WaveXForm.Base + WaveXForm.Amplitude*2.0*(1.0 - val);
948  case W_SQUARE: if (val < 0.5) return WaveXForm.Base; else return WaveXForm.Base + WaveXForm.Amplitude;
949  case W_SAWTOOTH: return WaveXForm.Base + WaveXForm.Amplitude*val;
950  case W_INVERSE_SAWTOOTH: return WaveXForm.Base + WaveXForm.Amplitude*(1.0-val);
951  default: assert(false); return 0.0;
952  }
953 }

References T_WAVE_XFORM, TransformType, W_INVERSE_SAWTOOTH, W_SAWTOOTH, W_SINE, W_SQUARE, and W_TRIANGLE.

Member Data Documentation

◆ 

union { ... }

◆ TransformType

Type StdMeshMaterialTextureUnit::Transformation::TransformType

Definition at line 279 of file StdMeshMaterial.h.

Referenced by GetRotate(), GetScrollX(), GetScrollY(), GetWaveXForm(), and StdMeshMaterialTextureUnit::Load().

The documentation for this struct was generated from the following files: