void GuiContainer::updateElementBounds(ElementInfo const & info)
{
Recti containerBounds = getBounds();
Coord2i containerSize = containerBounds.max - containerBounds.min + Coord2i{1, 1};
Recti elementBounds = info.element->getBounds();
Coord2i elementSize = elementBounds.max - elementBounds.min + Coord2i{1, 1};
info.element->setSize(Coord2i(info.sizeFractionOfContainer.scale(containerSize)) + info.sizeOffset);
info.element->setPosition(Coord2i(info.positionFractionOfContainer.scale(containerSize) - info.positionFractionOfElement.scale(elementSize)) + info.positionOffset);
}
Coord3f Ground::normalAt(Coord2i indexPoint) {
// NOTE: In this function, the vertical component is i, which comes in as indexPoint.x,
// and vice versa for the horizonal, j, which is indexPoint.y
Coord2i p1, p2, p3;
Coord3f normal;
bool ignore[6] = { false, false, false, false, false, false };
float& cS = this->cellSize;
if (indexPoint.x == 0) {
ignore[2] = true;
ignore[3] = true;
ignore[4] = true;
}
if (indexPoint.x == (this->nRows - 1)) {
ignore[0] = true;
ignore[1] = true;
ignore[5] = true;
}
if (indexPoint.y == 0) {
ignore[3] = true;
ignore[4] = true;
ignore[5] = true;
}
if (indexPoint.y == (this->nCols - 1)) {
ignore[0] = true;
ignore[1] = true;
ignore[2] = true;
}
vector<Coord3f> normals;
p1 = Coord2i(indexPoint.x, indexPoint.y);
for (int i = 0; i < 6; i++) {
if (ignore[i]) continue;
switch(i) {
case 0: p1 = Coord2i(indexPoint.x, indexPoint.y);
p2 = Coord2i(indexPoint.x+1, indexPoint.y+1);
p3 = Coord2i(indexPoint.x+1, indexPoint.y);
break;
case 1: p1 = Coord2i(indexPoint.x, indexPoint.y);
p2 = Coord2i(indexPoint.x, indexPoint.y+1);
p3 = Coord2i(indexPoint.x+1, indexPoint.y+1);
break;
case 2: p1 = Coord2i(indexPoint.x-1, indexPoint.y);
p2 = Coord2i(indexPoint.x, indexPoint.y+1);
p3 = Coord2i(indexPoint.x, indexPoint.y);
break;
case 3: p1 = Coord2i(indexPoint.x-1, indexPoint.y-1);
p2 = Coord2i(indexPoint.x-1, indexPoint.y);
p3 = Coord2i(indexPoint.x, indexPoint.y);
break;
case 4: p1 = Coord2i(indexPoint.x-1, indexPoint.y-1);
p2 = Coord2i(indexPoint.x, indexPoint.y);
p3 = Coord2i(indexPoint.x, indexPoint.y-1);
break;
case 5: p1 = Coord2i(indexPoint.x, indexPoint.y-1);
p2 = Coord2i(indexPoint.x, indexPoint.y);
p3 = Coord2i(indexPoint.x+1, indexPoint.y);
break;
}
if (i % 2 == 0) { // If i is even, then triangle is the upper half (if part of square) version
normal = Coord3f(cS * (this->pointGrid[p1.x][p1.y] - this->pointGrid[p3.x][p3.y]),
cS * cS,
cS * (this->pointGrid[p3.x][p3.y] - this->pointGrid[p2.x][p2.y]));
}
else { // Otherwise, i is odd and the lower half
normal = Coord3f(cS * (this->pointGrid[p2.x][p2.y] - this->pointGrid[p3.x][p3.y]),
cS * cS,
cS * (this->pointGrid[p1.x][p1.y] - this->pointGrid[p2.x][p2.y]));
}
normals.push_back(normal);
}
Coord3f sumNormal;
for (vector<Coord3f>::iterator it = normals.begin(); it != normals.end(); ++it) {
sumNormal = sumNormal + (*it);
}
return this->normalize(sumNormal);
}
