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debugdraw: Added quad.

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This commit is contained in:
Branimir Karadžić
2018-09-17 17:25:14 -07:00
parent 8a2ed7f126
commit 96fe6b3d7b
2 changed files with 89 additions and 29 deletions
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112
examples/common/debugdraw/debugdraw.cpp
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@@ -106,6 +106,21 @@ struct DebugMeshVertex
bgfx::VertexDecl DebugMeshVertex::ms_decl;
static DebugShapeVertex s_quadVertices[4] =
{
{-1.0f, 0.0f, 1.0f, { 0, 0, 0, 0 } },
{ 1.0f, 0.0f, 1.0f, { 0, 0, 0, 0 } },
{-1.0f, 0.0f, -1.0f, { 0, 0, 0, 0 } },
{ 1.0f, 0.0f, -1.0f, { 0, 0, 0, 0 } },
};
static const uint16_t s_quadIndices[6] =
{
0, 1, 2,
1, 3, 2,
};
static DebugShapeVertex s_cubeVertices[8] =
{
{-1.0f, 1.0f, 1.0f, { 0, 0, 0, 0 } },
@@ -549,6 +564,8 @@ struct Mesh
Capsule2,
Capsule3,
Quad,
Cube,
Count,
@@ -895,6 +912,15 @@ struct DebugDrawShared
startIndex += numIndices + numLineListIndices;
}
m_mesh[Mesh::Quad].m_startVertex = startVertex;
m_mesh[Mesh::Quad].m_numVertices = BX_COUNTOF(s_quadVertices);
m_mesh[Mesh::Quad].m_startIndex[0] = startIndex;
m_mesh[Mesh::Quad].m_numIndices[0] = BX_COUNTOF(s_quadIndices);
m_mesh[Mesh::Quad].m_startIndex[1] = 0;
m_mesh[Mesh::Quad].m_numIndices[1] = 0;
startVertex += BX_COUNTOF(s_quadVertices);
startIndex += BX_COUNTOF(s_quadIndices);
m_mesh[Mesh::Cube].m_startVertex = startVertex;
m_mesh[Mesh::Cube].m_numVertices = BX_COUNTOF(s_cubeVertices);
m_mesh[Mesh::Cube].m_startIndex[0] = startIndex;
@@ -907,7 +933,7 @@ struct DebugDrawShared
const bgfx::Memory* vb = bgfx::alloc(startVertex*stride);
const bgfx::Memory* ib = bgfx::alloc(startIndex*sizeof(uint16_t) );
for (uint32_t mesh = Mesh::Sphere0; mesh < Mesh::Cube; ++mesh)
for (uint32_t mesh = Mesh::Sphere0; mesh < Mesh::Quad; ++mesh)
{
Mesh::Enum id = Mesh::Enum(mesh);
bx::memCopy(&vb->data[m_mesh[id].m_startVertex * stride]
@@ -924,6 +950,16 @@ struct DebugDrawShared
BX_FREE(m_allocator, indices[id]);
}
bx::memCopy(&vb->data[m_mesh[Mesh::Quad].m_startVertex * stride]
, s_quadVertices
, sizeof(s_quadVertices)
);
bx::memCopy(&ib->data[m_mesh[Mesh::Quad].m_startIndex[0] * sizeof(uint16_t)]
, s_quadIndices
, sizeof(s_quadIndices)
);
bx::memCopy(&vb->data[m_mesh[Mesh::Cube].m_startVertex * stride]
, s_cubeVertices
, sizeof(s_cubeVertices)
@@ -1793,45 +1829,53 @@ struct DebugDrawEncoderImpl
void drawQuad(const float* _normal, const float* _center, float _size)
{
const Attrib& attrib = m_attrib[m_stack];
if (attrib.m_wireframe)
{
float udir[3];
float vdir[3];
float udir[3];
float vdir[3];
bx::vec3TangentFrame(_normal, udir, vdir, attrib.m_spin);
bx::vec3TangentFrame(_normal, udir, vdir, attrib.m_spin);
const float halfExtent = _size*0.5f;
const float halfExtent = _size*0.5f;
float umin[3];
bx::vec3Mul(umin, udir, -halfExtent);
float umin[3];
bx::vec3Mul(umin, udir, -halfExtent);
float umax[3];
bx::vec3Mul(umax, udir, halfExtent);
float umax[3];
bx::vec3Mul(umax, udir, halfExtent);
float vmin[3];
bx::vec3Mul(vmin, vdir, -halfExtent);
float vmin[3];
bx::vec3Mul(vmin, vdir, -halfExtent);
float vmax[3];
bx::vec3Mul(vmax, vdir, halfExtent);
float vmax[3];
bx::vec3Mul(vmax, vdir, halfExtent);
float pt[3];
float tmp[3];
bx::vec3Add(tmp, umin, vmin);
bx::vec3Add(pt, _center, tmp);
moveTo(pt);
float pt[3];
float tmp[3];
bx::vec3Add(tmp, umin, vmin);
bx::vec3Add(pt, _center, tmp);
moveTo(pt);
bx::vec3Add(tmp, umax, vmin);
bx::vec3Add(pt, _center, tmp);
lineTo(pt);
bx::vec3Add(tmp, umax, vmin);
bx::vec3Add(pt, _center, tmp);
lineTo(pt);
bx::vec3Add(tmp, umax, vmax);
bx::vec3Add(pt, _center, tmp);
lineTo(pt);
bx::vec3Add(tmp, umax, vmax);
bx::vec3Add(pt, _center, tmp);
lineTo(pt);
bx::vec3Add(tmp, umin, vmax);
bx::vec3Add(pt, _center, tmp);
lineTo(pt);
bx::vec3Add(tmp, umin, vmax);
bx::vec3Add(pt, _center, tmp);
lineTo(pt);
close();
close();
}
else
{
float mtx[16];
bx::mtxFromNormal(mtx, _normal, _size*0.5f, _center);
draw(Mesh::Quad, mtx, 1, false);
}
}
void drawQuad(SpriteHandle _handle, const float* _normal, const float* _center, float _size)
@@ -2672,6 +2716,16 @@ void DebugDrawEncoder::setTranslate(float _x, float _y, float _z)
DEBUG_DRAW_ENCODER(setTranslate(_x, _y, _z) );
}
void DebugDrawEncoder::pushTransform(const void* _mtx)
{
DEBUG_DRAW_ENCODER(pushTransform(_mtx, 1) );
}
void DebugDrawEncoder::popTransform()
{
DEBUG_DRAW_ENCODER(popTransform() );
}
void DebugDrawEncoder::moveTo(float _x, float _y, float _z)
{
DEBUG_DRAW_ENCODER(moveTo(_x, _y, _z) );