float CGround::TrajectoryGroundCol(float3 from, const float3& flatdir, float length, float linear, float quadratic) const
{
float3 dir(flatdir.x, linear, flatdir.z);
// limit the checking to the `in map part` of the line
std::pair<float,float> near_far = GetMapBoundaryIntersectionPoints(from, dir*length);
// outside of map
if (near_far.second < 0.0f)
return -1.0;
const float near = length * std::max(0.0f, near_far.first);
const float far = length * std::min(1.0f, near_far.second);
for (float l = near; l < far; l += SQUARE_SIZE) {
float3 pos(from + dir*l);
pos.y += quadratic * l * l;
if (GetApproximateHeight(pos.x, pos.z) > pos.y) {
return l;
}
}
return -1.0f;
}
float CGround::TrajectoryGroundCol(float3 from, float3 flatdir, float length, float linear, float quadratic)
{
from.CheckInBounds();
float3 dir(flatdir.x, linear, flatdir.z);
for (float l = 0.0f; l < length; l += 8.0f) {
float3 pos(from + dir * l);
pos.y += quadratic * l * l;
if (GetApproximateHeight(pos.x, pos.z) > pos.y) {
return l;
}
}
return -1;
}
float CGround::TrajectoryGroundCol(float3 from, float3 flatdir, float length, float linear, float quadratic)
{
from.CheckInBounds();
float3 dir(flatdir.x,linear,flatdir.z);
// float3 oldpos=from;
for(float l=0;l<length;l+=8){
float3 pos(from+dir*l);
pos.y+=quadratic*l*l;
if(GetApproximateHeight(pos.x,pos.z)>pos.y){
return l;
}
// geometricObjects->AddLine(pos,oldpos,3,0,16);
// oldpos=pos;
}
return -1;
}
