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Week6 [02/11] - [04/11]

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Added Camera Class
Added *= operator to the matrix class
Added Transformation Queue vector to the Model Class
Added Get Vertex, Polygon and Polygon Vertex methods to the Model Class
Added DehomogenizeAllVerticies method to the Model Class
Added GetPolygonVertexCount method to Polygon Class
Added Ability to have multiple models in a "scene" in the Rasterizer
Added DrawWireFrame method to the Rasterizer Class
Added Aspect Ratio and View Matrix to the Rasterizer Class
Added TransformTools namespace to hold shared transformation functions
Added Dehomogenize method to the Vector Class
Moved Transformation methods to a new shared name space
This commit is contained in:
IDunnoDev
2021-12-11 14:15:02 +00:00
committed by iDunnoDev
parent 3b374c1e17
commit 19639d70d1
19 changed files with 493 additions and 72 deletions
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TransformTools.cpp Normal file
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#include "TransformTools.h"
Matrix TransformTools::GetTranslateMatrix(const float x, const float y, const float z)
{
return Matrix({ 1, 0, 0, x, 0, 1, 0, y, 0, 0, 1, z, 0, 0, 0, 1 });
}
Matrix TransformTools::GetTranslateMatrix(const Vertex& position)
{
return GetTranslateMatrix(position.GetX(), position.GetY(), position.GetZ());
}
Matrix TransformTools::GetScaleMatrix(const float x, const float y, const float z)
{
return Matrix({ x, 0, 0, 0, 0, y, 0, 0, 0, 0, z, 0, 0, 0, 0, 1 });
}
Matrix TransformTools::GetRotationMatrix(const Axis rotAxis, const float rotDegrees)
{
float rotationRadian = DegreesToRadians(rotDegrees);
switch (rotAxis)
{
case (Axis::X):
return Matrix({ 1, 0, 0, 0, 0, cos(rotationRadian), -sin(rotationRadian), 0, 0, sin(rotationRadian), cos(rotationRadian), 0, 0, 0, 0, 1 });
case (Axis::Y):
return Matrix({ cos(rotationRadian), 0, sin(rotationRadian), 0, 0, 1, 0, 0, -sin(rotationRadian), 0, cos(rotationRadian), 0, 0, 0, 0, 1 });
case (Axis::Z):
return Matrix({ cos(rotationRadian), -sin(rotationRadian), 0, 0, sin(rotationRadian), cos(rotationRadian), 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 });
default:
throw "Invalid axis selected";
}
}
Matrix TransformTools::GetRotationMatrixFromPoint(const Axis rotAxis, const float rotDegrees, const float x, const float y, const float z)
{
return GetTranslateMatrix(x, y, z) * GetRotationMatrix(rotAxis, rotDegrees) * GetTranslateMatrix(-x, -y, -z);
}
float TransformTools::DegreesToRadians(const float degrees)
{
return (degrees * PI) / 180;
}
Matrix TransformTools::GetOrthegraphicProjectionMatrix(float d)
{
return Matrix({ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, d, 0, 0, 0, 1 });
}
Matrix TransformTools::GetPerspectiveProjectionMatrix(float d, float aspectRatio)
{
float distanceAspect = d / aspectRatio;
return Matrix({ distanceAspect, 0, 0, 0, 0, d, 0, 0, 0, 0, d, 0, 0, 0, 1, 0 });
}
Matrix TransformTools::GetViewMatrix(float d, int width, int height)
{
float widthCenter = (float) width / 2.0f;
float heightCenter = (float) height / 2.0f;
float distanceCenter = (float) d / 2.0f;
return Matrix({ widthCenter, 0, 0, widthCenter, 0, -heightCenter, 0, heightCenter, 0, 0, distanceCenter, distanceCenter, 0, 0, 0, 1 });
}
Matrix TransformTools::GetCameraTranslateMatrix(const float x, const float y, const float z)
{
return Matrix({ 1, 0, 0, -x, 0, 1, 0, -y, 0, 0, 1, -z, 0, 0, 0, 1 });
}
Matrix TransformTools::GetCameraTranslateMatrix(const Vertex& position)
{
return GetCameraTranslateMatrix(position.GetX(), position.GetY(), position.GetZ());
}
Matrix TransformTools::GetCameraRotationMatrix(const Axis rotAxis, const float rotDegrees)
{
float rotationRadian = DegreesToRadians(rotDegrees);
switch (rotAxis)
{
case (Axis::X):
return Matrix({ 1, 0, 0, 0, 0, cos(rotationRadian), sin(rotationRadian), 0, 0, -sin(rotationRadian), cos(rotationRadian), 0, 0, 0, 0, 1 });
case (Axis::Y):
return Matrix({ cos(rotationRadian), 0, -sin(rotationRadian), 0, 0, 1, 0, 0, sin(rotationRadian), 0, cos(rotationRadian), 0, 0, 0, 0, 1 });
case (Axis::Z):
return Matrix({ cos(rotationRadian), sin(rotationRadian), 0, 0, -sin(rotationRadian), cos(rotationRadian), 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 });
default:
throw "Invalid axis selected";
}
}