unreal/HexTile.cpp

// Fill out your copyright notice in the Description page of Project Settings.


#include "HexTile.h"
#include "AdventurePlayerController.h"
#include "AdventureMap.h"
#include "Kismet/KismetMathLibrary.h"

// Sets default values
AHexTile::AHexTile()
{
	TileSize = 100.f;
	RootComponent = CreateDefaultSubobject<USceneComponent>(TEXT("Scene"));
	this->FillCornersArray();
}

void AHexTile::BeginPlay() { Super::BeginPlay(); }

FVector AHexTile::Corner(int32 i)
{
	FVector TileCenter = this->GetActorTransform().GetLocation();
	int32 Angle_Deg = 60 * i - 30;
	float Angle_Rad = UKismetMathLibrary::GetPI()/180 * Angle_Deg;
	float X = TileCenter.X + TileSize * cos(Angle_Rad);
	float Y = TileCenter.Y + TileSize * sin(Angle_Rad);
	return FVector(X, Y, 0.f);
}
void AHexTile::FillCornersArray() { for (int32 i = 0 ; i < 6; i++) { Corners.Emplace(Corner(i + 1)); } }

int32 AHexTile::Distance(AHexTile* ToHex)
{
	int32 CubeS1 = -this->Q - this->R;
	int32 CubeS2 = -ToHex->Q - ToHex->R;
	return (abs(this->Q - ToHex->Q) + abs(this->R - ToHex->R) + abs(CubeS1 - CubeS2)) / 2;
}