virtual void on_draw()
{
pixfmt pf(rbuf_window());
typedef agg::pixfmt_alpha_blend_gray<gray_blender, agg::rendering_buffer, 3, 2> pixfmt_r;
typedef agg::pixfmt_alpha_blend_gray<gray_blender, agg::rendering_buffer, 3, 1> pixfmt_g;
typedef agg::pixfmt_alpha_blend_gray<gray_blender, agg::rendering_buffer, 3, 0> pixfmt_b;
pixfmt_r pfr(rbuf_window());
pixfmt_g pfg(rbuf_window());
pixfmt_b pfb(rbuf_window());
agg::renderer_base<pixfmt> rbase(pf);
agg::renderer_base<pixfmt_r> rbr(pfr);
agg::renderer_base<pixfmt_g> rbg(pfg);
agg::renderer_base<pixfmt_b> rbb(pfb);
agg::rasterizer_scanline_aa<> ras;
agg::scanline_p8 sl;
rbase.clear(agg::rgba(1,1,1));
agg::ellipse er(width() / 2 - 0.87*50, height() / 2 - 0.5*50, 100, 100, 100);
ras.add_path(er);
agg::render_scanlines_aa_solid(ras, sl, rbr,
agg::gray8(0, unsigned(m_alpha.value())));
agg::ellipse eg(width() / 2 + 0.87*50, height() / 2 - 0.5*50, 100, 100, 100);
ras.add_path(eg);
agg::render_scanlines_aa_solid(ras, sl, rbg,
agg::gray8(0, unsigned(m_alpha.value())));
agg::ellipse eb(width() / 2, height() / 2 + 50, 100, 100, 100);
ras.add_path(eb);
agg::render_scanlines_aa_solid(ras, sl, rbb,
agg::gray8(0, unsigned(m_alpha.value())));
agg::render_ctrl(ras, sl, rbase, m_alpha);
}
void StaticGeometry::DrawBoundingBox(Graphics::Renderer *r, const Aabb &bb)
{
vector3f min(bb.min.x, bb.min.y, bb.min.z);
vector3f max(bb.max.x, bb.max.y, bb.max.z);
vector3f fbl(min.x, min.y, min.z); //front bottom left
vector3f fbr(max.x, min.y, min.z); //front bottom right
vector3f ftl(min.x, max.y, min.z); //front top left
vector3f ftr(max.x, max.y, min.z); //front top right
vector3f rtl(min.x, max.y, max.z); //rear top left
vector3f rtr(max.x, max.y, max.z); //rear top right
vector3f rbl(min.x, min.y, max.z); //rear bottom left
vector3f rbr(max.x, min.y, max.z); //rear bottom right
Graphics::VertexArray *vts = new Graphics::VertexArray(Graphics::ATTRIB_POSITION | Graphics::ATTRIB_DIFFUSE);
Color c(Color::WHITE);
//vertices
vts->Add(fbl, c); //0
vts->Add(fbr, c); //1
vts->Add(ftl, c); //2
vts->Add(ftr, c); //3
vts->Add(rtl, c); //4
vts->Add(rtr, c); //5
vts->Add(rbl, c); //6
vts->Add(rbr, c); //7
RefCountedPtr<Graphics::Material> mat(Graphics::vtxColorMaterial);
Graphics::Surface surf(Graphics::TRIANGLES, vts, mat);
//indices
std::vector<unsigned short> &ind = surf.GetIndices();
//Front face
ind.push_back(3);
ind.push_back(1);
ind.push_back(0);
ind.push_back(0);
ind.push_back(2);
ind.push_back(3);
//Rear face
ind.push_back(7);
ind.push_back(5);
ind.push_back(6);
ind.push_back(6);
ind.push_back(5);
ind.push_back(4);
//Top face
ind.push_back(4);
ind.push_back(5);
ind.push_back(3);
ind.push_back(3);
ind.push_back(2);
ind.push_back(4);
//bottom face
ind.push_back(1);
ind.push_back(7);
ind.push_back(6);
ind.push_back(6);
ind.push_back(0);
ind.push_back(1);
//left face
ind.push_back(0);
ind.push_back(6);
ind.push_back(4);
ind.push_back(4);
ind.push_back(2);
ind.push_back(0);
//right face
ind.push_back(5);
ind.push_back(7);
ind.push_back(1);
ind.push_back(1);
ind.push_back(3);
ind.push_back(5);
r->SetWireFrameMode(true);
r->DrawSurface(&surf);
r->SetWireFrameMode(false);
}
