void GraphicsWorld::DebugDrawAxes(const float3x4 &t, bool depthTest)
{
float3 translate, scale;
Quat rotate;
t.Decompose(translate, rotate, scale);
DebugDrawLine(translate, translate + rotate * float3(scale.x, 0.f, 0.f), 1, 0, 0, depthTest);
DebugDrawLine(translate, translate + rotate * float3(0., scale.y, 0.f), 0, 1, 0, depthTest);
DebugDrawLine(translate, translate + rotate * float3(0.f, 0.f, scale.z), 0, 0, 1, depthTest);
}
void GraphicsWorld::DebugDrawLight(const float3x4 &t, int lightType, float range, float spotAngle, const Color &clr, bool depthTest)
{
float3 translate, scale;
Quat rotate;
t.Decompose(translate, rotate, scale);
float3 lightDirection = rotate * float3(0.0f, 0.0f, 1.0f);
switch (lightType)
{
// Point
case 0:
DebugDrawCircle(Circle(translate, float3(1.f, 0.f, 0.f), range), 8, clr, depthTest);
DebugDrawCircle(Circle(translate, float3(0.f, 1.f, 0.f), range), 8, clr, depthTest);
DebugDrawCircle(Circle(translate, float3(0.f, 0.f, 1.f), range), 8, clr, depthTest);
break;
// Spot
case 1:
{
float3 endPoint = translate + range * lightDirection;
float coneRadius = range * sinf(DegToRad(spotAngle));
Circle spotCircle(endPoint, -lightDirection, coneRadius);
DebugDrawCircle(Circle(endPoint, -lightDirection, coneRadius), 8, clr, depthTest);
for (int i = 1; i <= 8; ++i)
DebugDrawLine(translate, spotCircle.GetPoint(i * 2.f * 3.14f / 8), clr, depthTest);
}
break;
// Directional
case 2:
{
const float cDirLightRange = 10.f;
float3 endPoint = translate + cDirLightRange * lightDirection;
float3 offset = rotate * float3(1.f, 0.f, 0.f);
DebugDrawLine(translate, endPoint, clr, depthTest);
DebugDrawLine(translate + offset, endPoint + offset, clr, depthTest);
DebugDrawLine(translate - offset, endPoint - offset, clr, depthTest);
}
break;
}
}
