diff options
Diffstat (limited to 'src/main.cc')
| -rw-r--r-- | src/main.cc | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/main.cc b/src/main.cc index c9fb347..4621d30 100644 --- a/src/main.cc +++ b/src/main.cc @@ -106,6 +106,10 @@ int renderWindow() { auto tick_buffers = { lattice_a->getBuffer(), lattice_b->getBuffer(), fluid->getBuffer() }; auto tock_buffers = { lattice_b->getBuffer(), lattice_a->getBuffer(), fluid->getBuffer() }; + int prevLatticeMouseState = 0; + int prevLatticeMouseX = 0; + int prevLatticeMouseY = 0; + window.render([&](bool window_size_changed) { if ( pause_key.wasClicked() ) { update_lattice = !update_lattice; @@ -131,12 +135,19 @@ int renderWindow() { { auto guard = collide_shader->use(); + collide_shader->setUniform("prevMouseState", prevLatticeMouseState); + collide_shader->setUniform("prevMousePos", prevLatticeMouseX, prevLatticeMouseY); + const auto m = window.getMouse(); const float latticeMouseX = float(std::get<1>(m)) / window.getWidth() * world_width + nX/2; const float latticeMouseY = float(std::get<2>(m)) / window.getHeight() * world_height + nY/2; - collide_shader->setUniform("mouseState", std::get<0>(m)); - collide_shader->setUniform("mousePos", latticeMouseX, latticeMouseY); + collide_shader->setUniform("currMouseState", std::get<0>(m)); + collide_shader->setUniform("currMousePos", latticeMouseX, latticeMouseY); + + prevLatticeMouseState = std::get<0>(m); + prevLatticeMouseX = latticeMouseX; + prevLatticeMouseY = latticeMouseY; collide_shader->dispatch(nX, nY); } |