cocos-creator-template/assets/chunks/shading-entries/main-functions/render-planar-shadow/vs.chunk

#include <surfaces/default-functions/common-vs>
#include <surfaces/module-functions/common-vs>
#include <common/math/number>
#include <common/lighting/functions>

out highp float v_dist;

void main()
{
  SurfacesStandardVertexIntermediate In;

  // Local Space
  CCSurfacesVertexInput(In);
  CCSurfacesVertexAnimation(In);
  In.position.xyz = SurfacesVertexModifyLocalPos(In);
  SurfacesVertexModifyLocalSharedData(In);

  // World Space
  CCSurfacesVertexWorldTransform(In);
  In.worldPos = SurfacesVertexModifyWorldPos(In);
  vec4 shadowPos = CalculatePlanarShadowPos(In.worldPos, cc_cameraPos.xyz, cc_mainLitDir.xyz, cc_planarNDInfo);
  In.worldPos = shadowPos.xyz;

  // Clip Space
  In.clipPos = CalculatePlanarShadowClipPos(shadowPos, cc_cameraPos.xyz, cc_matView, cc_matProj, cc_nearFar, cc_shadowWHPBInfo.w);
  In.clipPos = SurfacesVertexModifyClipPos(In);

  // Other Surfaces Function
  SurfacesVertexModifyUV(In);
  SurfacesVertexModifySharedData(In);

  // Other Data
  CCSurfacesVertexTransformUV(In);

  CCSurfacesVertexOutput(In);

  // Depth
  v_dist = shadowPos.w;
}