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implemented algorithm to detect point position relative to edges

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devZoGok
2024-07-20 18:25:24 +03:00
parent ca0c31c208
commit 4cdcc6bd61
5 changed files with 95 additions and 80 deletions
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gameObject.cpp
-44
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@@ -167,50 +167,6 @@ namespace battleship{
}
}
int GameObject::sortCorners(vector<Vector2> &cornersOnScreen, bool vertical, bool max){
const int NUM_CORNERS = cornersOnScreen.size();
int ans = 0;
for(int i = 0; i < NUM_CORNERS; i++){
if(vertical && ((max && cornersOnScreen[ans].y < cornersOnScreen[i].y) || (!max && cornersOnScreen[ans].y > cornersOnScreen[i].y)))
ans = i;
else if(!vertical && ((max && cornersOnScreen[ans].x < cornersOnScreen[i].x) || (!max && cornersOnScreen[ans].x > cornersOnScreen[i].x)))
ans = i;
}
return ans;
}
Vector2 GameObject::calculateSelectionRect(){
const int NUM_CORNERS = 8;
Vector3 corners[NUM_CORNERS]{
Vector3(-.5 * width, -.5 * height, -.5 * length),
Vector3(-.5 * width, -.5 * height, .5 * length),
Vector3(.5 * width, -.5 * height, .5 * length),
Vector3(.5 * width, -.5 * height, -.5 * length),
Vector3(-.5 * width, .5 * height, -.5 * length),
Vector3(-.5 * width, .5 * height, .5 * length),
Vector3(.5 * width, .5 * height, .5 * length),
Vector3(.5 * width, .5 * height, -.5 * length)
};
vector<Vector2> cornersOnScreen;
for(int i = 0; i < NUM_CORNERS; i++){
Vector3 cornerInWorld = leftVec * corners[i].x + upVec * corners[i].y + dirVec * corners[i].z;
cornersOnScreen.push_back(spaceToScreen(cornerInWorld));
}
int leftMostPointId = sortCorners(cornersOnScreen, false, false);
int rightMostPointId = sortCorners(cornersOnScreen, false, true);
int topMostPointId = sortCorners(cornersOnScreen, true, false);
int bottomMostPointId = sortCorners(cornersOnScreen, true, true);
float sizeX = cornersOnScreen[rightMostPointId].x - cornersOnScreen[leftMostPointId].x;
float sizeY = cornersOnScreen[bottomMostPointId].y - cornersOnScreen[topMostPointId].y;
return Vector2(sizeX, sizeY);
}
void GameObject::updateGameStats(Unit *targetUnit){
if(targetUnit->getHealth() <= targetUnit->getDeathHp()){
Player *targUnitPlayer = targetUnit->getPlayer();