void ViewPort::Update()
{
if(wasUpdated())
{
InvViewMat = MatrixFromPosAng(Position,Rotation);
ViewMat = inverse(InvViewMat);
ViewProjectionMatrix = ProjectrionMatrix * ViewMat;
InvViewProjectionMatrix = inverse(ViewProjectionMatrix);
//fwd = vec3(ViewMat * vec4(0.0f, 0.0f, -1.0f, 0.0f));
//right = vec3(ViewMat * vec4(1.0f, 0.0f, 0.0f, 0.0f));
if(CalcReconstrucVecs)
{
vec4 posCenter = InvViewProjectionMatrix * vec4(0.0f, 0.0f, 1.0f, 1.0f);
posCenter /= posCenter.w;
vec4 posRight = InvViewProjectionMatrix * vec4(1.0f, 0.0f, 1.0f, 1.0f);
posRight /= posRight.w;
vec4 posUp = InvViewProjectionMatrix * vec4(0.0f, 1.0f, 1.0f, 1.0f);
posUp /= posUp.w;
fwdD = vec3(posCenter) - Position;
rightD = vec3(posRight - posCenter);
upD = vec3(posUp - posCenter);
fwd = normalize(fwdD);
right = normalize(rightD);
up = normalize(upD);
}
else
{
fwd = vec3(InvViewMat * vec4(0.0f, 0.0f, 1.0f, 0.0f));
right = vec3(InvViewMat * vec4(1.0f, 0.0f, 0.0f, 0.0f));
up = vec3(InvViewMat * vec4(0.0f, 1.0f, 0.0f, 0.0f));
}
#pragma region frustum culling generation
vec4 edge000 = InvViewProjectionMatrix * vec4(-1.0f, -1.0f, -1.0f, 1.0f);
vec4 edge001 = InvViewProjectionMatrix * vec4(-1.0f, -1.0f, 1.0f, 1.0f);
vec4 edge010 = InvViewProjectionMatrix * vec4(-1.0f, 1.0f, -1.0f, 1.0f);
vec4 edge011 = InvViewProjectionMatrix * vec4(-1.0f, 1.0f, 1.0f, 1.0f);
vec4 edge100 = InvViewProjectionMatrix * vec4(1.0f, -1.0f, -1.0f, 1.0f);
vec4 edge101 = InvViewProjectionMatrix * vec4(1.0f, -1.0f, 1.0f, 1.0f);
vec4 edge110 = InvViewProjectionMatrix * vec4(1.0f, 1.0f, -1.0f, 1.0f);
edge000 /= edge000.w;
edge001 /= edge001.w;
edge010 /= edge010.w;
edge011 /= edge011.w;
edge100 /= edge100.w;
edge101 /= edge101.w;
edge110 /= edge110.w;
clipingPlanes[0] = PlnEquation(vec3(edge000),vec3(edge010),vec3(edge001));
clipingPlanes[1] = PlnEquation(vec3(edge100),vec3(edge101),vec3(edge110));
clipingPlanes[2] = PlnEquation(vec3(edge000),vec3(edge100),vec3(edge010));
clipingPlanes[3] = PlnEquation(vec3(edge001),vec3(edge011),vec3(edge101));
clipingPlanes[4] = PlnEquation(vec3(edge000),vec3(edge001),vec3(edge100));
clipingPlanes[5] = PlnEquation(vec3(edge010),vec3(edge110),vec3(edge011));
#pragma endregion
}
}
void DataDisplayConfigWidget::madeUpdate()
{
emit(wasUpdated());
}
