public void RenderHexGrid()
{
HexagonMap hc = new HexagonMap();
AxisCoordinate[] ac = new AxisCoordinate[] {
new AxisCoordinate(0, 0),
new AxisCoordinate(1, 0),
new AxisCoordinate(2, 0),
new AxisCoordinate(3, 0),
new AxisCoordinate(0, 1),
new AxisCoordinate(1, 1),
new AxisCoordinate(2, 1),
new AxisCoordinate(3, 1),
new AxisCoordinate(-1, 2),
new AxisCoordinate(0, 2),
new AxisCoordinate(1, 2),
new AxisCoordinate(2, 2),
new AxisCoordinate(-1, 3),
new AxisCoordinate(0, 3),
new AxisCoordinate(1, 3),
new AxisCoordinate(2, 3),
};
var ac1 = new List <AxisCoordinate>();
foreach (AxisCoordinate a in ac)
{
DrawHexagon(a, 10);
}
}
public void DrawHexagon(AxisCoordinate axisCorrdinate, float size)
{
Color color = Color.white;
// using new formula
Vector2 gridPosition = (new Vector2(
size * (Mathf.Sqrt(3) * (axisCorrdinate.Q + axisCorrdinate.R * 0.5f)),
size * (axisCorrdinate.R * 1.5f)));
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
float rayDistance;
Vector3 mousePlanePosition;
Color crossair = Color.white;
if (groundPlane.Raycast(ray, out rayDistance))
{
mousePlanePosition = ray.GetPoint(rayDistance);
DrawLine(
new Vector3(mousePlanePosition.x + size, 0, mousePlanePosition.z),
new Vector3(mousePlanePosition.x - size, 0, mousePlanePosition.z), Color.green);
DrawLine(
new Vector3(mousePlanePosition.x, 0, mousePlanePosition.z + size),
new Vector3(mousePlanePosition.x, 0, mousePlanePosition.z - size), Color.green);
float angleSideRight = 2 * Mathf.PI / 6 * (1 + 0.5f);
float angleSideLeft = 2 * Mathf.PI / 6 * (5 + 0.5f);
float diameter = size * (float)Math.Cos(angleSideLeft) - size * (float)Math.Cos(angleSideRight);
var angle = 2.0f * Mathf.PI / 6.0f * (0.5f);
var x = gridPosition.x + size * Mathf.Cos(angle);
var y = gridPosition.y + size * Mathf.Sin(angle);
//var selectedHex = HexagonCoordinates.ConvertPointCoordToAxialCoord(mousePlanePosition.x + 5, mousePlanePosition.z + 10f, diameter);
var selectedHex = HexagonMap.ConvertPointCoordToAxialCoord(mousePlanePosition.x + diameter, mousePlanePosition.z + size, diameter, size);
if (axisCorrdinate.Equals(selectedHex))
{
crossair = Color.red;
}
}
Vector3[] hexPoints = new Vector3[6];
for (int k = 0; k < 6; k++)
{
var angle = 2.0f * Mathf.PI / 6.0f * (k + 0.5f);
var x = gridPosition.x + size * Mathf.Cos(angle);
var y = gridPosition.y + size * Mathf.Sin(angle);
if (k == 0)
{
hexPoints[0] = new Vector3(x, 0, y);
}
else
{
hexPoints[k] = new Vector3(x, 0, y);
DrawLine(hexPoints[k - 1], hexPoints[k], color);
}
}
DrawLine(hexPoints[5], hexPoints[0], color);
DrawLine(
new Vector3(gridPosition.x + 5, 0, gridPosition.y),
new Vector3(gridPosition.x - 5, 0, gridPosition.y), crossair);
DrawLine(
new Vector3(gridPosition.x, 0, gridPosition.y + 5),
new Vector3(gridPosition.x, 0, gridPosition.y - 5), crossair);
}