public GroundPlane(Vector3 position, Vector2 size, Shader shader)
{
_meshes.Add(new Mesh(
PrimitiveUtils.CreateTopVertices(position, size, 0),
Enumerable.Empty <Vector2>(), // untextured flat colored plane
shader));
}
private Mesh CreateTexturedCube(Vector3 position, Vector2 area, float height)
{
return(new Mesh(
PrimitiveUtils.CreateCubeVertices(position, area, height),
PrimitiveUtils.CreateCubeUVs(),
new[] { _texture },
_shader));
}
public FullScreenQuad(IEnumerable <Texture> textures, Shader shader)
{
_textures = textures;
_shader = shader;
_meshes.Add(new Mesh(
PrimitiveUtils.CreateNDCFullscreenGuiVertices(),
PrimitiveUtils.CreateNDCFullscreenUVs(),
_textures,
_shader));
}
private void CreateBackLight()
{
var vertices = PrimitiveUtils.CreateFrontVertices(new Vector3(0), new Vector2(2), 1);
var uvs = PrimitiveUtils.CreateFrontUvs();
var mesh = new Mesh(vertices, uvs, _rearLightShader)
{
IsInstanced = true
};
_meshes.Add(mesh);
}
private void CreateHeadLight()
{
var vertices = PrimitiveUtils.CreateBacksideVertices(new Vector3(0), new Vector2(2), 1);
var uvs = PrimitiveUtils.CreateBackUVs();
var mesh = new Mesh(vertices, uvs, _headlightShader)
{
IsInstanced = true
};
_meshes.Add(mesh);
}
public Billboard CreateWestFacingBillboard(Vector3 position, Vector2 area, float height)
{
var texture = _billboardTextures.ElementAt(_random.Next(_billboardTextures.Length));
var width = CalculateBillboardWidth(height);
area.Y = width;
position.X -= 0.05f;
return(new Billboard(
texture,
_shader,
PrimitiveUtils.CreateLeftVertices(position, area, height),
PrimitiveUtils.CreateLeftUVs()));
}
public IEnumerable <IRenderable> CreateStreetLights(IEnumerable <GroundNode> sites)
{
var lightColor = _lightColors[_random.Next(_lightColors.Count)];
_lightShader.SetUniformValue("u_color", new Vector3Uniform
{
Value = lightColor
});
_logger.Information($"Set streetlight color to: {lightColor}");
var areaBorder = new Vector2(_config.AreaBorderSize - 4);
var lightSize = new Vector2(2, 2);
foreach (var site in sites)
{
var position = new Vector3(site.StartPosition.X + areaBorder.X, 0, site.StartPosition.Y + areaBorder.Y);
var area = site.EndPosition - site.StartPosition - (areaBorder * 2);
for (int i = (int)position.X + 2 + 1; i <= position.X + area.X; i += 12)
{
var northPosition = new Vector3(i, position.Y, position.Z);
var northVertices = PrimitiveUtils.CreateTopVertices(northPosition, lightSize, 0.2f);
var northUvs = PrimitiveUtils.CreateTopUVs(1, 1);
yield return(new StreetLightStrip(northVertices, northUvs, _lightShader));
var southPosition = new Vector3(i, position.Y, position.Z + area.Y + 2);
var southVertices = PrimitiveUtils.CreateTopVertices(southPosition, lightSize, 0.2f);
var southUvs = PrimitiveUtils.CreateTopUVs(1, 1);
yield return(new StreetLightStrip(southVertices, southUvs, _lightShader));
}
for (int i = (int)position.Z + 2 + 1; i <= position.Z + area.Y; i += 12)
{
var westPosition = new Vector3(position.X, position.Y, i);
var westVertices = PrimitiveUtils.CreateTopVertices(westPosition, lightSize, 0.2f);
var westUvs = PrimitiveUtils.CreateTopUVs(1, 1);
yield return(new StreetLightStrip(westVertices, westUvs, _lightShader));
var eastPosition = new Vector3(position.X + area.X + 2, position.Y, i);
var eastVertices = PrimitiveUtils.CreateTopVertices(eastPosition, lightSize, 0.2f);
var eastUvs = PrimitiveUtils.CreateTopUVs(1, 1);
yield return(new StreetLightStrip(eastVertices, eastUvs, _lightShader));
}
}
}
public Billboard CreateEastFacingBillboard(Vector3 position, Vector2 area, float height)
{
var texture = _billboardTextures.ElementAt(_random.Next(_billboardTextures.Length));
var width = CalculateBillboardWidth(height);
position.Z = position.Z + area.Y - width; //compensate position because of the worldspace coordinates
area.Y = width;
position.X += 0.05f;
return(new Billboard(
texture,
_shader,
PrimitiveUtils.CreateRightVertices(position, area, height),
PrimitiveUtils.CreateRightUVs()));
}
public Character(Shader shader, Texture texture, CharProperties charConfig, Vector2 originPosition, float scale)
{
_texture = texture;
_shader = shader;
Advance = charConfig.Advance * scale;
var height = charConfig.Height * scale;
var width = charConfig.Width * scale;
var originX = charConfig.OriginX * scale;
var originY = charConfig.OriginY * scale;
var originYOffset = height - originY;
var bottomY = originPosition.Y + originYOffset;
var topY = bottomY - height;
var left = originPosition.X - originX;
var vertices = PrimitiveUtils.CreateSpriteVertices(new Vector2(left, topY), width, height);
var s = (float)charConfig.X / texture.Width;
var t = (float)charConfig.Y / texture.Height;
var uvs = PrimitiveUtils.CreateSpriteUVs(new Vector2(s, t), (float)charConfig.Width / texture.Width, (float)charConfig.Height / texture.Height);
_meshes.Add(new Mesh(vertices, uvs, new[] { _texture }, _shader));
}
public bool IsOnRightSite(Vector2d point, double epsilon)
{
var direction = point - A;
return(PrimitiveUtils.OrthogonalRight(U).Dot(direction) > -epsilon);
}
