/// <inheritdoc/>
public void Point(Color color, Vector vector)
{
var r = GetColorValue(color.R);
var g = GetColorValue(color.G);
var b = GetColorValue(color.B);
float x = (float)vector.X, y = 200f - (float)vector.Y;
_pointBuffer.Triangle(0, 1, 2);
_pointBuffer.Triangle(0, 2, 3);
WriteVector(_pointBuffer, x - _lineRadius, y - _lineRadius);
_pointBuffer.VertexFloat(-1, -1);
_pointBuffer.VertexByte(r, g, b);
_pointBuffer.EndVertex();
WriteVector(_pointBuffer, x + _lineRadius, y - _lineRadius);
_pointBuffer.VertexFloat(1, -1);
_pointBuffer.VertexByte(r, g, b);
_pointBuffer.EndVertex();
WriteVector(_pointBuffer, x + _lineRadius, y + _lineRadius);
_pointBuffer.VertexFloat(1, 1);
_pointBuffer.VertexByte(r, g, b);
_pointBuffer.EndVertex();
WriteVector(_pointBuffer, x - _lineRadius, y + _lineRadius);
_pointBuffer.VertexFloat(-1, 1);
_pointBuffer.VertexByte(r, g, b);
_pointBuffer.EndVertex();
}
/// <inheritdoc/>
public void Line(Color color, Vector begin, Vector end)
{
var r = GetColorValue(color.R);
var g = GetColorValue(color.G);
var b = GetColorValue(color.B);
float ax = (float)begin.X, ay = 200f - (float)begin.Y, bx = (float)end.X, by = 200f - (float)end.Y;
var vx = bx - ax;
float vy = by - ay;
var vectorLength = (float)Math.Sqrt(vx * vx + vy * vy);
float vf = _lineRadius / vectorLength;
vx *= vf;
vy *= vf;
float lineLength = vectorLength / _lineRadius;
_lineBuffer.Triangle(0, 1, 3);
_lineBuffer.Triangle(1, 2, 3);
WriteVector(_lineBuffer, ax - vx - vy, ay - vy + vx);
_lineBuffer.VertexFloat(-1, 1);
_lineBuffer.VertexFloat(lineLength);
_lineBuffer.VertexByte(r, g, b);
_lineBuffer.EndVertex();
WriteVector(_lineBuffer, ax - vx + vy, ay - vy - vx);
_lineBuffer.VertexFloat(-1, -1);
_lineBuffer.VertexFloat(lineLength);
_lineBuffer.VertexByte(r, g, b);
_lineBuffer.EndVertex();
WriteVector(_lineBuffer, bx + vx + vy, by + vy - vx);
_lineBuffer.VertexFloat(lineLength + 1, -1);
_lineBuffer.VertexFloat(lineLength);
_lineBuffer.VertexByte(r, g, b);
_lineBuffer.EndVertex();
WriteVector(_lineBuffer, bx + vx - vy, by + vy + vx);
_lineBuffer.VertexFloat(lineLength + 1, 1);
_lineBuffer.VertexFloat(lineLength);
_lineBuffer.VertexByte(r, g, b);
_lineBuffer.EndVertex();
}
private void DrawEntity(TriangleBuffer buffer, float x, float y, float z, float xRadius, float height)
{
var textureEntry = _textureAtlas.GetTextureEntry(0);
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x - xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(217, 217, 217, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(217, 217, 217, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(217, 217, 217, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(217, 217, 217, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x + xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x + xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x - xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x - xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x - xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(255, 255, 255, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(255, 255, 255, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(255, 255, 255, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(255, 255, 255, 0); buffer.EndVertex();
}
public static void VertexColorBytes(this TriangleBuffer buffer, float r, float g, float b, float a)
{
buffer.VertexByte(GetColorByte(r), GetColorByte(g), GetColorByte(b), GetColorByte(a));
}