binaries/assimp-3.1.1/port/dAssimp/assimp/math.d

/*
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Open Asset Import Library (ASSIMP)
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*/

/**
 * Mathematical structures in which the imported data is stored.
 */
module assimp.math;

extern( C ) {
   /**
    * Represents a two-dimensional vector.
    */
   struct aiVector2D {
   align ( 1 ):
      float x, y;
   }

   /**
    * Represents a three-dimensional vector.
    */
   struct aiVector3D {
   align ( 1 ):
      float x, y, z;
   }

   /**
    * Represents a quaternion.
    */
   struct aiQuaternion {
      float w, x, y, z;
   }

   /**
    * Represents a row-major 3x3 matrix
    *
    * There is much confusion about matrix layouts (colum vs. row order). This
    * is <em>always</em> a row-major matrix, even when using the
    * <code>ConvertToLeftHanded</code> post processing step.
    */
   struct aiMatrix3x3 {
      float a1, a2, a3;
      float b1, b2, b3;
      float c1, c2, c3;
   }

   /**
    * Represents a row-major 3x3 matrix
    *
    * There is much confusion about matrix layouts (colum vs. row order). This
    * is <em>always</em> a row-major matrix, even when using the
    * <code>ConvertToLeftHanded</code> post processing step.
    */
   struct aiMatrix4x4 {
   align ( 1 ):
      float a1, a2, a3, a4;
      float b1, b2, b3, b4;
      float c1, c2, c3, c4;
      float d1, d2, d3, d4;
   }

   /**
    * Represents a plane in a three-dimensional, euclidean space
    */
   struct aiPlane {
   align ( 1 ):
      /**
       * Coefficients of the plane equation (<code>ax + by + cz = d</code>).
       */
      float a;
      float b; /// ditto
      float c; /// ditto
      float d; /// ditto
   }

   /**
    * Represents a ray.
    */
   struct aiRay {
   align ( 1 ):
      /**
       * Origin of the ray.
       */
      aiVector3D pos;

      /**
       * Direction of the ray.
       */
      aiVector3D dir;
   }

   /**
    * Represents a color in RGB space.
    */
   struct aiColor3D {
   align ( 1 ):
      /**
       * Red, green and blue values.
       */
      float r;
      float g; /// ditto
      float b; /// ditto
   }

   /**
    * Represents a color in RGB space including an alpha component.
    */
   struct aiColor4D {
   align ( 1 ):
      /**
       * Red, green, blue and alpha values.
       */
      float r;
      float g; /// ditto
      float b; /// ditto
      float a; /// ditto
   }
}