void Renderer::SetViewMatrix(const Vec3f & position, const Vec3f & dir, const Vec3f & up) {
EERIEMATRIX mat;
Util_SetViewMatrix(mat, position, dir, up);
SetViewMatrix(mat);
}
static void EERIE_CreateMatriceProj(float width, float height, EERIE_CAMERA * cam) {
float fov = focalToFov(cam->focal);
const float nearDist = 1.f;
const float farDist = cam->cdepth;
const float frustumDepth = farDist - nearDist;
float aspect = height / width;
float w = aspect * (glm::cos(fov / 2) / glm::sin(fov / 2));
float h = 1.0f * (glm::cos(fov / 2) / glm::sin(fov / 2));
float Q = farDist / frustumDepth;
cam->ProjectionMatrix = glm::mat4x4();
cam->ProjectionMatrix[0][0] = w;
cam->ProjectionMatrix[1][1] = h;
cam->ProjectionMatrix[2][2] = Q;
cam->ProjectionMatrix[3][2] = (-Q * nearDist);
cam->ProjectionMatrix[2][3] = 1.f;
cam->ProjectionMatrix[3][3] = 0.f;
GRenderer->SetProjectionMatrix(cam->ProjectionMatrix);
glm::mat4 tempViewMatrix = Util_SetViewMatrix(cam->orgTrans);
GRenderer->SetViewMatrix(tempViewMatrix);
cam->ProjectionMatrix[0][0] *= width * .5f;
cam->ProjectionMatrix[1][1] *= height * .5f;
cam->ProjectionMatrix[2][2] = -(farDist * nearDist) / frustumDepth; //HYPERBOLIC
cam->ProjectionMatrix[3][2] = Q;
GRenderer->SetViewport(Rect(static_cast<s32>(width), static_cast<s32>(height)));
}
void GraphicsUtilityTest::front() {
transform.pos = Vec3f(0.f, 0.f, 0.f);
transform.updateFromAngle(Anglef(0.f, 0.f, 0.f));
Util_SetViewMatrix(matrix, transform);
expected.setToIdentity();
CPPUNIT_ASSERT_EQUAL(expected, matrix);
}
void GraphicsUtilityTest::back() {
transform.updateFromAngle(Anglef(180.f, 180.f, 0.f));
Util_SetViewMatrix(matrix, transform);
expected.setToIdentity();
expected._12 = 7.64274186e-15f;
expected._13 = -8.74227766e-08f;
expected._23 = 8.74227766e-08f;
expected._31 = 8.74227766e-08f;
expected._32 = -8.74227766e-08f;
CPPUNIT_ASSERT_EQUAL(expected, matrix);
}
void GraphicsUtilityTest::translation()
{
transform.pos = Vec3f(10.f, 200.f, 3000.f);
transform.updateFromAngle(Anglef(0.f, 0.f, 0.f));
Util_SetViewMatrix(matrix, transform);
expected.setToIdentity();
expected._41 = -10;
expected._42 = 200;
expected._43 = -3000;
CPPUNIT_ASSERT_EQUAL(expected, matrix);
}
void GraphicsUtilityTest::edgeCase2()
{
transform.updateFromAngle(Anglef(-90.f, -90.f, 0.f));
Util_SetViewMatrix(matrix, transform);
expected.setToIdentity();
expected._11 = -1.f;
expected._12 = 8.35187172e-23f;
expected._13 = -4.37113883e-08f;
expected._21 = -4.37113883e-08f;
expected._22 = -1.91068547e-15f;
expected._23 = 1.f;
expected._32 = 1.f;
expected._33 = 1.91068547e-15f;
CPPUNIT_ASSERT_EQUAL(expected, matrix);
}
void GraphicsUtilityTest::combined()
{
transform.pos = Vec3f(10.f, 200.f, 3000.f);
transform.updateFromAngle(Anglef(45.f, -45.f, 0.f));
Util_SetViewMatrix(matrix, transform);
expected._11 = 0.707106709f;
expected._12 = 0.5f;
expected._13 = 0.5f;
expected._14 = 0.f;
expected._21 = 1.49011612e-08f;
expected._22 = 0.707106769f;
expected._23 = -0.707106769f;
expected._24 = 0.f;
expected._31 = -0.707106769f;
expected._32 = 0.5f;
expected._33 = 0.5f;
expected._34 = 0.f;
expected._41 = 2114.24927f;
expected._42 = -1363.57849f;
expected._43 = -1646.42126f;
expected._44 = 1.f;
CPPUNIT_ASSERT_EQUAL(expected, matrix);
}
