Dasher::Dasher()
{
Assert(std::fabs(ServerParam::instance().dashAngleStep() - 45.0) < FLOAT_EPS);
for (int i = 0; i < 8; ++i) {
DASH_DIR[i] = GetNormalizeAngleDeg(ServerParam::instance().dashAngleStep() * i);
DIR_RATE[i] = GetDashDirRate(DASH_DIR[i]);
}
for (int i = 0; i < 8; ++i) {
ANTI_DIR_IDX[i] = GetDashDirIdx(DASH_DIR[i] + 180.0);
}
}
/**
* 通过传入dash的参数，计算dash后球员的位置和速度
* Calculate player position and velocity after a dash action. Conflicts or forbidden areas are not
* considered.
* \param dash_power.
* \param dash_dir.
* \param player_state state of the player who is dashing.
* \param player_pos will be set to player position after dash.
* \param player_vel will be set to player velocity after dash.
*/
void ActionEffector::ComputeInfoAfterDash(const double dash_power, double dash_dir,
const PlayerState &player_state, Vector &player_pos, Vector &player_vel)
{
double dir_rate = GetDashDirRate(dash_dir);
if (dash_power < 0.0) {
dash_dir += 180.0;
}
double eff_dash_power = fabs(dash_power) * player_state.GetEffort() * player_state.GetDashPowerRate() * dir_rate;
Vector accel = Polar2Vector(eff_dash_power, GetNormalizeAngleDeg(player_state.GetBodyDir() + dash_dir));
player_vel = player_state.GetVel() + accel;
player_pos = player_state.GetPos() + player_vel;
player_vel *= player_state.GetPlayerDecay();
}
