public void DrawOval(float x1, float y1, float width, float height,
int segments, float start, float end, Color c)
{
while (end < start)
{
end += 360;
}
float cx = x1 + (width / 2.0f);
float cy = y1 + (height / 2.0f);
int step = 360 / segments;
int hashCode = 1;
hashCode = LSystem.Unite(hashCode, x1);
hashCode = LSystem.Unite(hashCode, y1);
hashCode = LSystem.Unite(hashCode, width);
hashCode = LSystem.Unite(hashCode, height);
hashCode = LSystem.Unite(hashCode, segments);
hashCode = LSystem.Unite(hashCode, start);
hashCode = LSystem.Unite(hashCode, end);
hashCode = LSystem.Unite(hashCode, c.PackedValue);
XNAPolygon poly = (XNAPolygon)CollectionUtils.Get(polyLazy, hashCode);
if (poly == null)
{
poly = new XNAPolygon(GLEx.device);
poly.Stroke = c;
poly.StrokeWidth = 1;
for (float a = start; a < (end + step); a += step)
{
float ang = a;
if (ang > end)
{
ang = end;
}
float x = (cx + (MathUtils.Cos(MathUtils.ToRadians(ang)) * width / 2.0f));
float y = (cy + (MathUtils.Sin(MathUtils.ToRadians(ang)) * height / 2.0f));
poly.AddPoint(new Vector2(x, y));
}
CollectionUtils.Put(polyLazy, hashCode, poly);
}
if (batch == null)
{
batch = new SpriteBatch(GLEx.device);
}
batch.Begin(SpriteSortMode.Deferred, c.A == 255 ? BlendState.AlphaBlend : BlendState.Additive, null, null, GLEx.Device.RasterizerState, null, GLEx.cemera.viewMatrix);
poly.Draw(batch);
batch.End();
}
public XNAPolygon ToPolygon()
{
XNAPolygon polygon = new XNAPolygon(pdevice)
{
StrokeWidth = StrokeWidth,
Stroke = Stroke
};
foreach (var line in lines)
{
foreach (var point in line.Points)
{
polygon.AddPoint(point);
}
}
return(polygon);
}
public void DrawArc(float x1, float y1, float width, float height,
int segments, float start, float end)
{
while (end < start)
{
end += 360;
}
float cx = x1 + (width / 2.0f);
float cy = y1 + (height / 2.0f);
int step = 360 / segments;
int hashCode = 1;
hashCode = LSystem.Unite(hashCode, x1);
hashCode = LSystem.Unite(hashCode, y1);
hashCode = LSystem.Unite(hashCode, width);
hashCode = LSystem.Unite(hashCode, height);
hashCode = LSystem.Unite(hashCode, segments);
hashCode = LSystem.Unite(hashCode, start);
hashCode = LSystem.Unite(hashCode, end);
hashCode = LSystem.Unite(hashCode, color.PackedValue);
SubmitDraw();
XNAPolygon poly = (XNAPolygon)CollectionUtils.Get(polyLazy, hashCode);
if (poly == null)
{
poly = new XNAPolygon(GLEx.device);
poly.Stroke = color;
poly.StrokeWidth = 1;
for (float a = start; a < (end + step); a += step)
{
float ang = a;
if (ang > end)
{
ang = end;
}
float x = (cx + (MathUtils.Cos(MathUtils.ToRadians(ang)) * width / 2.0f));
float y = (cy + (MathUtils.Sin(MathUtils.ToRadians(ang)) * height / 2.0f));
poly.AddPoint(new Vector2(x, y));
}
CollectionUtils.Put(polyLazy, hashCode, poly);
}
poly.Draw(batch);
idx++;
}
public void DrawOval(float x1, float y1, float width, float height,
int segments, float start, float end, Color c)
{
while (end < start)
{
end += 360;
}
float cx = x1 + (width / 2.0f);
float cy = y1 + (height / 2.0f);
int step = 360 / segments;
int hashCode = 1;
hashCode = LSystem.Unite(hashCode, x1);
hashCode = LSystem.Unite(hashCode, y1);
hashCode = LSystem.Unite(hashCode, width);
hashCode = LSystem.Unite(hashCode, height);
hashCode = LSystem.Unite(hashCode, segments);
hashCode = LSystem.Unite(hashCode, start);
hashCode = LSystem.Unite(hashCode, end);
hashCode = LSystem.Unite(hashCode, c.PackedValue);
XNAPolygon poly = (XNAPolygon)CollectionUtils.Get(polyLazy, hashCode);
if (poly == null)
{
poly = new XNAPolygon(GLEx.device);
poly.Stroke = c;
poly.StrokeWidth = 1;
for (float a = start; a < (end + step); a += step)
{
float ang = a;
if (ang > end)
{
ang = end;
}
float x = (cx + (MathUtils.Cos(MathUtils.ToRadians(ang)) * width / 2.0f));
float y = (cy + (MathUtils.Sin(MathUtils.ToRadians(ang)) * height / 2.0f));
poly.AddPoint(new Vector2(x, y));
}
CollectionUtils.Put(polyLazy, hashCode, poly);
}
if (batch == null)
{
batch = new SpriteBatch(GLEx.device);
}
batch.Begin(SpriteSortMode.Deferred, c.A == 255 ? BlendState.AlphaBlend : BlendState.Additive, null, null, GLEx.Device.RasterizerState, null, GLEx.cemera.viewMatrix);
poly.Draw(batch);
batch.End();
}
public XNAPolygon ToPolygon()
{
XNAPolygon polygon = new XNAPolygon(pdevice)
{
StrokeWidth = StrokeWidth,
Stroke = Stroke
};
foreach (var line in lines)
{
foreach (var point in line.Points)
{
polygon.AddPoint(point);
}
}
return polygon;
}
public void Draw(Shape shape, Color c)
{
if (shape == null)
{
return;
}
if (glType == GL.GL_LINE_STRIP || shape is Path)
{
xnaPolygon.ClearPoints();
float[] points = shape.GetPoints();
if (points == null)
{
return;
}
if (points.Length == 0)
{
return;
}
float x = points[0];
float y = points[1];
if (batch == null)
{
batch = new SpriteBatch(GLEx.Device);
}
batch.Begin(SpriteSortMode.Deferred, c.A == 255 ? BlendState.AlphaBlend : BlendState.Additive, null, null, GLEx.Device.RasterizerState, null, GLEx.cemera.viewMatrix);
for (int i = 0; i < points.Length; i += 2)
{
DrawLine(batch, new Vector2(x, y), new Vector2(points[i], points[i + 1]), GLEx.WhitePixel, c);
x = points[i];
y = points[i + 1];
}
batch.End();
}
else
{
if (LineWidth == 0)
{
float[] points = shape.GetPoints();
if (points.Length == 0)
{
return;
}
GLBegin(GL_LINES);
for (int i = 0; i < points.Length; i += 2)
{
GLVertex2f(points[i], points[i + 1]);
}
if (shape.Closed())
{
GLVertex2f(points[0], points[1]);
}
GLEnd(c);
}
else
{
xnaPolygon.ClearPoints();
float[] points = shape.GetPoints();
if (points == null)
{
return;
}
if (points.Length == 0)
{
return;
}
for (int i = 0; i < points.Length; i += 2)
{
xnaPolygon.AddPoint(new Vector2(points[i], points[i + 1]));
}
if (shape.Closed())
{
xnaPolygon.AddPoint(new Vector2(points[0], points[1]));
}
xnaPolygon.Stroke = c;
xnaPolygon.StrokeWidth = LineWidth;
if (batch == null)
{
batch = new SpriteBatch(GLEx.Device);
}
batch.Begin(SpriteSortMode.Deferred, c.A == 255 ? BlendState.AlphaBlend : BlendState.Additive, null, null, GLEx.Device.RasterizerState, null, GLEx.cemera.viewMatrix);
xnaPolygon.Draw(batch);
batch.End();
}
}
}