public static DDVertex FromPoint(Vec2 p, Color color)
{
DDVertex ddv = new DDVertex();
ddv.m_positions = new Vec2[2];
ddv.m_positions[0] = p;
ddv.m_color = color;
return(ddv);
}
public static DDVertex FromLine(Vec2 begin, Vec2 end, Color color)
{
DDVertex ddv = new DDVertex();
ddv.m_positions = new Vec2[2];
ddv.m_positions[0] = begin;
ddv.m_positions[1] = end;
ddv.m_color = color;
return(ddv);
}
public void DrawSingleArrowLine(Vec2 start, Vec2 end, float arrowLen, Color color)
{
DrawLine(start, end, color);
var middle = (start + end) * 0.5f;
var n = (end - start).Normalize();
var dir1 = new Mat22(30 / 180f * 3.14159f) * n;
var dir2 = new Mat22(-30 / 180f * 3.14159f) * n;
var p1 = end - dir1 * arrowLen;
var p2 = end - dir2 * arrowLen;
DrawLine(p1, end, color);
DrawLine(p2, end, color);
}
public void DrawBox(Vec2 center, Vec2 size, float rotation, Color color)
{
Mat22 mR = new Mat22(rotation);
Vec2 halfSize = size * 0.5f;
Vec2 p1 = new Vec2(halfSize.x, halfSize.y);
Vec2 p2 = new Vec2(-halfSize.x, halfSize.y);
Vec2 p3 = new Vec2(-halfSize.x, -halfSize.y);
Vec2 p4 = new Vec2(halfSize.x, -halfSize.y);
p1 = mR * p1;
p2 = mR * p2;
p3 = mR * p3;
p4 = mR * p4;
p1 += center;
p2 += center;
p3 += center;
p4 += center;
DrawLine(p1, p2, color);
DrawLine(p2, p3, color);
DrawLine(p3, p4, color);
DrawLine(p4, p1, color);
}
public void DrawPoint(Vec2 point, Color color)
{
m_vertexListBatch.Add(DDVertex.FromPoint(point, color));
}
public void DrawLine(Vec2 p1, Vec2 p2, Color color)
{
m_lineListBatch.Add(DDVertex.FromLine(p1, p2, color));
}
