ray-scene intersection

[chaz/yoink] / src / GameLayer.cc

diff --git a/src/GameLayer.cc b/src/GameLayer.cc
index f61ec3d43adf07da1b7fe0d9884fa713ae0d83d1..1e607586d486169afa681b8cea57015b5353e2e9 100644 (file)
--- a/src/GameLayer.cc
+++ b/src/GameLayer.cc
@@ -31,6 +31,7 @@
 #include <Moof/Log.hh>
 #include <Moof/Math.hh>
 #include <Moof/OpenGL.hh>
+#include <Moof/Settings.hh>
 #include <Moof/Video.hh>
 
 #include "GameLayer.hh"
@@ -92,7 +93,16 @@ void GameLayer::advanceScene()
        {
                mState.scene = Scene::alloc(mState.sceneList[0]);
                mState.sceneList.erase(mState.sceneList.begin());
-               mState.scene->load(mState.script);
+
+               Mf::Script::Status status = mState.scene->load(mState.script);
+               if (status != Mf::Script::SUCCESS)
+               {
+                       std::string str;
+                       mState.script[-1].get(str);
+
+                       Mf::logScript("%s", str.c_str());
+                       throw Mf::Exception(Mf::ErrorCode::SCRIPT_ERROR, str);
+               }
        }
 }
 
@@ -103,7 +113,10 @@ GameLayer::GameLayer() :
 {
        mMusic.setLooping(true);
        mMusic.enqueue("NightFusionLoop");
-       mMusic.stream();
+
+       bool isMute = false;
+       Mf::Settings::getInstance().get("nomusic", isMute);
+       if (!isMute) mMusic.play();
 
        loadSceneLoader();
        advanceScene();                         // load the first scene
@@ -121,6 +134,18 @@ GameLayer::GameLayer() :
 void GameLayer::pushed(Mf::Engine& engine)
 {
        engine.push(Hud::alloc(mState));
+
+       mRay.direction.set(1.0, 0.0);
+       mRay3.direction.set(1.0, 0.0, 0.0);
+
+       mLine.a.set(20, 10);
+       mLine.b.set(19, 14);
+
+       mPlane.normal.set(-1.0, 0.0, 0.0);
+       mPlane.d = 0.0;
+
+       mSphere.point.set(22, 5);
+       mSphere.radius = 2;
 }
 
 
@@ -132,11 +157,48 @@ void GameLayer::update(Mf::Engine& engine, Mf::Scalar t, Mf::Scalar dt)
        mState.scene->checkForCollision(*mState.heroine);
 
        mState.camera.setPosition(Mf::Vector3(-mState.heroine->getState().position[0],
-                               -mState.heroine->getState().position[1], -10));
+                               -mState.heroine->getState().position[1], -9));
        //mState.camera.lookAt(Mf::promote(mState.heroine->getState().position));
 
        //Mf::Vector3 heroinePosition = Mf::promote(mState.heroine->getState().position);
        //Mf::Sound::setListenerPosition(heroinePosition);
+       
+       mRay.point = mState.heroine->getState().position;
+       mRay3.point = Mf::promote(mRay.point);
+       mRay3.direction = Mf::promote(mRay.direction);
+
+       Mf::Ray<2>::Intersection meh;
+       Mf::Ray<3>::Intersection meh3;
+
+       Mf::Scalar d = mLine.intersectRay(mRay, meh);
+       if (d > 0.0)
+       {
+               Mf::logDebug("line: d = %f", d);
+               Mf::logDebug("      P = <%f,%f>", meh.point[0], meh.point[1]);
+               Mf::logDebug("      n = <%f,%f>", meh.normal[0], meh.normal[1]);
+       }
+       //d = mPlane.intersectRay(mRay3, meh3);
+       //if (d > 0.0)
+       //{
+               //Mf::logDebug("plane: d = %f", d);
+               //Mf::logDebug("       P = <%f,%f>", meh3.point[0], meh3.point[1]);
+               //Mf::logDebug("       n = <%f,%f>", meh3.normal[0], meh3.normal[1]);
+       //}
+       d = mSphere.intersectRay(mRay, meh);
+       if (d > 0.0)
+       {
+               Mf::logDebug("sphere: d = %f", d);
+               Mf::logDebug("        P = <%f,%f>", meh.point[0], meh.point[1]);
+               Mf::logDebug("        n = <%f,%f>", meh.normal[0], meh.normal[1]);
+       }
+
+       std::list<Mf::Ray<2>::Intersection> hits;
+       if (mState.scene->castRay(mRay, hits))
+       {
+               Mf::logDebug("scene: d = %f", d);
+               Mf::logDebug("       P = <%f,%f>", hits.front().point[0], hits.front().point[1]);
+               Mf::logDebug("       n = <%f,%f>", hits.front().normal[0], hits.front().normal[1]);
+       }
 }
 
 
@@ -154,6 +216,10 @@ void GameLayer::draw(Mf::Engine& engine, Mf::Scalar alpha) const
 
        mState.heroine->setZCoord(getZCoord(mState.heroine->getState().position));
        mState.heroine->draw(alpha);
+
+       mRay.draw();
+       mLine.draw();
+       mSphere.draw();
 }
 
 bool GameLayer::handleEvent(Mf::Engine& engine, const Mf::Event& event)
@@ -173,6 +239,16 @@ bool GameLayer::handleEvent(Mf::Engine& engine, const Mf::Event& event)
                                mMusic.toggle();
                                return true;
                        }
+                       else if (event.key.keysym.sym == SDLK_PAGEUP)
+                       {
+                               mRay.direction = cml::rotate_vector_2D(mRay.direction, cml::rad(10.0));
+                               return true;
+                       }
+                       else if (event.key.keysym.sym == SDLK_PAGEDOWN)
+                       {
+                               mRay.direction = cml::rotate_vector_2D(mRay.direction, cml::rad(-10.0));
+                               return true;
+                       }
                        return mState.heroine->handleEvent(event);
 
                case SDL_KEYUP: