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control primitive drawing order

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This commit is contained in:
Irlan 2018-05-03 20:17:14 -03:00
parent 9eb1a5b481
commit fbc5f2ea55
2 changed files with 47 additions and 4 deletions
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2
examples/testbed/tests/collide_test.h
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@ -60,6 +60,8 @@ public:
g_draw->DrawString(b3Color_white, "Left/Right/Up/Down Arrow - Translate shape");
g_draw->DrawString(b3Color_white, "X/Y/Z - Rotate shape");
g_draw->Flush();
}
virtual void KeyDown(int key)

49
examples/testbed/tests/convex_hull.h
View File

@ -72,11 +72,52 @@ public:
b3QHull hull;
hull.Set(m_points, m_count);
b3HullShape shape;
shape.m_hull = &hull;
for (u32 i = 0; i < m_count; ++i)
{
b3Draw_draw->DrawPoint(m_points[i], 4.0f, b3Color_green);
}
for (u32 i = 0; i < hull.edgeCount; i += 2)
{
const b3HalfEdge* edge = hull.GetEdge(i);
const b3HalfEdge* twin = hull.GetEdge(i + 1);
b3Vec3 v1 = hull.GetVertex(edge->origin);
b3Vec3 v2 = hull.GetVertex(twin->origin);
b3Draw_draw->DrawSegment(v1, v2, b3Color_black);
}
g_draw->Flush();
for (u32 i = 0; i < hull.faceCount; ++i)
{
const b3Face* face = hull.GetFace(i);
const b3HalfEdge* begin = hull.GetEdge(face->edge);
b3Vec3 n = hull.GetPlane(i).normal;
const b3HalfEdge* edge = hull.GetEdge(begin->next);
do
{
u32 i1 = begin->origin;
u32 i2 = edge->origin;
const b3HalfEdge* next = hull.GetEdge(edge->next);
u32 i3 = next->origin;
b3Vec3 v1 = hull.GetVertex(i1);
b3Vec3 v2 = hull.GetVertex(i2);
b3Vec3 v3 = hull.GetVertex(i3);
b3Color solidColor(1.0f, 1.0f, 1.0f, 0.5f);
g_draw->DrawSolidTriangle(n, v1, v2, v3, solidColor);
edge = next;
} while (hull.GetEdge(edge->next) != begin);
}
g_draw->Flush();
g_draw->DrawSolidShape(&shape, b3Color_white, b3Transform_identity);
g_draw->DrawString(b3Color_white, "G - Generate a random convex hull");
}