public void DrawSegment(CCPoint from, CCPoint to, float radius, cpColor color)
{
var colorFill = color.ToCCColor4B();
if (!primitiveBatch.IsReady())
{
throw new InvalidOperationException("BeginCustomDraw must be called before drawing anything.");
}
var a = from;
var b = to;
var n = CCPoint.Normalize(CCPoint.PerpendicularCCW(a - b));
var nw = n * (float)radius;
var v0 = b - nw;
var v1 = b + nw;
var v2 = a - nw;
var v3 = a + nw;
// Triangles from beginning to end
primitiveBatch.AddVertex(v1, colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(v2, colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(v0, colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(v1, colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(v2, colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(v3, colorFill, PrimitiveType.TriangleList);
}
public override void DrawSolidPolygon(cpVect[] vertices, int vertexCount, cpColor color)
{
if (!primitiveBatch.IsReady())
{
throw new InvalidOperationException("BeginCustomDraw must be called before drawing anything.");
}
if (vertexCount == 2)
{
DrawPolygon(vertices, vertexCount, color);
return;
}
CCColor4B colorFill = color.ToCCColor4B() * 0.5f;
for (int i = 1; i < vertexCount - 1; i++)
{
CCVector2 vertice0 = vertices[0].ToCCVector2();
primitiveBatch.AddVertex(ref vertice0, colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(vertices[i].ToCCVector2(), colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(vertices[i + 1].ToCCVector2(), colorFill, PrimitiveType.TriangleList);
}
DrawPolygon(vertices, vertexCount, color);
}
public void DrawCircle(cpVect center, float radius, cpColor color)
{
var centerPoint = center.ToCCPoint();
var colorOutline = color.ToCCColor4B();
var colorFill = colorOutline * 0.5f;
base.DrawCircle(centerPoint, radius, colorOutline);
base.DrawSolidCircle(centerPoint, radius, colorFill);
}
public override void DrawSolidCircle(cpVect center, float radius, cpVect axis, cpColor color)
{
float segments = (10 * cp.cpfsqrt(radius)); //<- Let's try to guess at # segments for a reasonable smoothness
var colorOutline = color.ToCCColor4B();
var colorFill = colorOutline * 0.5f;
var centr = center.ToCCVector2();
if (!primitiveBatch.IsReady())
{
throw new InvalidOperationException("BeginCustomDraw must be called before drawing anything.");
}
float increment = cp.M_PI * 2.0f / segments;
float theta = 0.0f;
CCVector2 thetaV = new CCVector2((float)Math.Cos(theta), (float)Math.Sin(theta));
CCVector2 v0 = center.ToCCVector2() + (float)radius * thetaV;
theta += increment;
var v1 = CCVector2.Zero;
var v2 = CCVector2.Zero;
for (int i = 0, count = (int)segments; i < count; i++)
{
thetaV.X = (float)Math.Cos(theta);
thetaV.Y = (float)Math.Sin(theta);
v1 = centr + Convert.ToSingle(radius) * thetaV;
thetaV.X = (float)Math.Cos(theta + increment);
thetaV.Y = (float)Math.Sin(theta + increment);
v2 = centr +
Convert.ToSingle(radius) * thetaV;
primitiveBatch.AddVertex(ref v0, colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(ref v1, colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(ref v2, colorFill, PrimitiveType.TriangleList);
primitiveBatch.AddVertex(ref v1, colorOutline, PrimitiveType.LineList);
primitiveBatch.AddVertex(ref v2, colorOutline, PrimitiveType.LineList);
theta += increment;
}
DrawSegment(center, center + axis * radius, color);
}
public override void DrawPolygon(cpVect[] vertices, int vertexCount, cpColor color)
{
CCColor4B fillColor = color.ToCCColor4B();
if (!primitiveBatch.IsReady())
{
throw new InvalidOperationException("BeginCustomDraw must be called before drawing anything.");
}
for (int i = 0; i < vertexCount - 1; i++)
{
primitiveBatch.AddVertex(vertices[i].ToCCVector2(), fillColor, PrimitiveType.LineList);
primitiveBatch.AddVertex(vertices[i + 1].ToCCVector2(), fillColor, PrimitiveType.LineList);
}
primitiveBatch.AddVertex(vertices[vertexCount - 1].ToCCVector2(), fillColor, PrimitiveType.LineList);
primitiveBatch.AddVertex(vertices[0].ToCCVector2(), fillColor, PrimitiveType.LineList);
}
public void DrawRect(CCRect rect, cpColor color)
{
base.DrawRect(rect, color.ToCCColor4B());
}
public void DrawDot(cpVect pos, float radius, cpColor color)
{
//base.DrawDot(pos.ToCCPoint(), radius, color.ToCCColor4F());
base.DrawSolidCircle(pos.ToCCPoint(), radius, color.ToCCColor4B());
}
public void DrawCircle(cpVect center, float radius, float angle, int segments, cpColor color)
{
base.DrawCircle(center.ToCCPoint(), radius, angle, segments, color.ToCCColor4B());
}
public void DrawSolidCircle(cpVect center, float radius, cpColor color)
{
base.DrawCircle(center.ToCCPoint(), radius, color.ToCCColor4B());
}
public void DrawCircle(cpVect center, float radius, cpColor color)
{
var centerPoint = center.ToCCPoint();
var colorOutline = color.ToCCColor4B();
var colorFill = colorOutline * 0.5f;
base.DrawCircle(centerPoint, radius, colorOutline);
base.DrawSolidCircle(centerPoint, radius, colorFill);
}
public void DrawRect(CCRect rect, cpColor color)
{
base.DrawRect(rect, color.ToCCColor4B());
}
public void DrawDot(cpVect pos, float radius, cpColor color)
{
//base.DrawDot(pos.ToCCPoint(), radius, color.ToCCColor4F());
base.DrawSolidCircle(pos.ToCCPoint(), radius, color.ToCCColor4B());
}
public void DrawCircle(cpVect center, float radius, float angle, int segments, cpColor color)
{
base.DrawCircle(center.ToCCPoint(), radius, angle, segments, color.ToCCColor4B());
}
public void DrawSolidCircle(cpVect center, float radius, cpColor color)
{
base.DrawCircle(center.ToCCPoint(), radius, color.ToCCColor4B());
}
