public override void Initialize(ConfigSection section)
{
base.Initialize(section);
textureName = section["texture"];
circlePos = section["position"].AsVector2();
Radius = section["radius"];
var bodyDescription = new scBodyDescription();
bodyDescription.bodyType = scBodyType.Kinematic;
bodyDescription.transform.position = circlePos;
bodyDescription.inertiaScale = section["inertiaScale"];
bodyDescription.linearDamping = section["linearDamping"];
bodyDescription.angularDamping = section["angularDamping"];
bodyDescription.userData = this;
var shape = new scCircleShape();
shape.radius = Radius;
var bodyPartDescription = new scBodyPartDescription();
bodyPartDescription.restitution = section["restitution"];
bodyPartDescription.density = section["density"];
bodyPartDescription.shape = shape;
bodyPartDescription.friction = section["friction"];
Body = Game.level.World.createBody(bodyDescription, bodyPartDescription);
Body.owner = this;
}
public static bool detectCircleEdge(scTransform circleTransform, scCircleShape circle, scTransform edgeTransform, scEdgeShape edge)
{
var transformedEdgeVertices = new List<Vector2>();
transformedEdgeVertices.Add(scTransformUtils.applyTransform(edgeTransform, edge.start));
transformedEdgeVertices.Add(scTransformUtils.applyTransform(edgeTransform, edge.end));
var transformedCircleCenter = scTransformUtils.applyTransform(circleTransform, circle.localPosition);
//get nearest edge vertex to circle center
var distanceToFirstVertex = transformedEdgeVertices[0] - transformedCircleCenter;
var distanceToSecondVertex = transformedEdgeVertices[1] - transformedCircleCenter;
var circleAxis = distanceToFirstVertex.Length() <= distanceToSecondVertex.Length() ? distanceToFirstVertex : distanceToSecondVertex;
circleAxis.Normalize();
var edgeAxis = scCollisionHelpers.getNormal(transformedEdgeVertices[0], transformedEdgeVertices[1]);
{
var lineSegmentCircle = scCollisionHelpers.projectCircleOnAxis(transformedCircleCenter, circle.radius, circleAxis);
var lineSegmentEdge = scCollisionHelpers.projectShapeOnAxis(transformedEdgeVertices, circleAxis);
if (!scCollisionHelpers.overlapsOnSameAxis(lineSegmentCircle, lineSegmentEdge))
{
return false;
}
}
{
var lineSegmentCircle = scCollisionHelpers.projectCircleOnAxis(transformedCircleCenter, circle.radius, edgeAxis);
var lineSegmentEdge = scCollisionHelpers.projectShapeOnAxis(transformedEdgeVertices, edgeAxis);
if (!scCollisionHelpers.overlapsOnSameAxis(lineSegmentCircle, lineSegmentEdge))
{
return false;
}
}
return true;
}
public static bool detectCircleCircle(scTransform aTransform, scCircleShape aShape, scTransform bTransform, scCircleShape bShape)
{
var aCenter = aTransform.position + aShape.localPosition;
var bCenter = bTransform.position + bShape.localPosition;
var deltaVector = aCenter - bCenter;
return deltaVector.Length() < aShape.radius + bShape.radius;
}
public static bool detectCircleRectangle(scTransform circleTransform, scCircleShape circle, scTransform rectangleTransform, scRectangleShape rectangle)
{
var transformedRectangleVertices = new List<Vector2>();
foreach (var vertex in rectangle.vertices)
{
transformedRectangleVertices.Add(scTransformUtils.applyTransform(rectangleTransform, vertex));
}
var axes = new List<Vector2>();
axes.Add(scCollisionHelpers.getNormal(transformedRectangleVertices[0], transformedRectangleVertices[1]));
axes.Add(scCollisionHelpers.getNormal(transformedRectangleVertices[1], transformedRectangleVertices[2]));
axes.Add(scCollisionHelpers.getNormal(transformedRectangleVertices[2], transformedRectangleVertices[3]));
axes.Add(scCollisionHelpers.getNormal(transformedRectangleVertices[3], transformedRectangleVertices[0]));
var transformedCircleCenter = scTransformUtils.applyTransform(circleTransform, circle.localPosition);
//get nearest edge vertex to circle center
var distancesToVertices = new List<Vector2>();
distancesToVertices.Add(transformedRectangleVertices[0] - transformedCircleCenter);
distancesToVertices.Add(transformedRectangleVertices[1] - transformedCircleCenter);
distancesToVertices.Add(transformedRectangleVertices[2] - transformedCircleCenter);
distancesToVertices.Add(transformedRectangleVertices[3] - transformedCircleCenter);
var circleAxis = distancesToVertices[0];
foreach (var distance in distancesToVertices)
{
if (distance.Length() < circleAxis.Length())
{
circleAxis = distance;
}
}
circleAxis.Normalize();
axes.Add(circleAxis);
foreach (var axis in axes)
{
var lineSegmentRectangleA = scCollisionHelpers.projectCircleOnAxis(transformedCircleCenter, circle.radius, axis);
var lineSegmentRectangleB = scCollisionHelpers.projectShapeOnAxis(transformedRectangleVertices, axis);
if (!scCollisionHelpers.overlapsOnSameAxis(lineSegmentRectangleA, lineSegmentRectangleB))
{
return false;
}
}
return true;
}
public void Initialize(ConfigOption option)
{
levelConfig = ConfigFile.FromFile(option.Value);
{
var physicsSection = levelConfig["Physics"];
PhysicsScale = physicsSection["scale"];
GroundFriction = physicsSection["groundFriction"];
World = new scPhysicsWorld();
World.game = game;
physicsSection.IfOptionExists("gravity", o => World.gravity = o.AsVector2());
// physicsSection["gravity"].AsVector2(), physicsSection["doSleep"].AsBool()
// World.ContinuousPhysics = physicsSection["continuousPhysics"].AsBool();
physicsWorldDebugRenderer = new scPhysicsWorldDebugRenderer();
physicsWorldDebugRenderer.world = World;
}
LevelGenerator = new LevelGenerator(this);
// bodyList = LevelGenerator.generateLevel();
var viewport = game.GraphicsDevice.Viewport;
InitializePlayers();
camera = new Camera2D(game);
camera.Initialize();
camera.Position = levelConfig["Camera"]["startPos"].AsVector2();
camera.ViewBounds = levelConfig["Camera"]["viewBounds"].AsRectangle();
camera.MaxMoveSpeed = levelConfig["Camera"]["maxMoveSpeed"];
CreatePhysicalViewBounds();
var gameObjectsConfig = ConfigFile.FromFile(levelConfig.GlobalSection["objects"]);
foreach (var section in gameObjectsConfig.Sections)
{
if (section.Value == gameObjectsConfig.GlobalSection)
{
// Skip the global section because it can not contain any useful info in this case.
continue;
}
var go = GameObject.Create(game, section.Key, section.Value);
GameObjects.Add(go);
}
Menu.InitializeFromConfigFile(levelConfig.GlobalSection["userInterface"].AsConfigFile());
levelConfig.IfSectionExists("Audio",
section =>
{
section.IfOptionExists("ambientCue", opt => AmbientMusicCue = opt);
});
if (!levelConfig.Sections.ContainsKey("Debug"))
{
return;
}
var debugSection = levelConfig["Debug"];
debugSection.IfOptionExists("drawPhysics", opt => game.drawPhysics = opt.AsBool());
debugSection.IfOptionExists("drawVisualHelpers", opt =>
{
if (opt.AsBool())
game.drawVisualHelpers.SetNormal();
else
game.drawVisualHelpers.SetNone();
});
debugSection.IfOptionExists("drawDebugData", opt =>
{
if (opt.AsBool())
game.drawDebugData.SetNormal();
else
game.drawDebugData.SetNone();
});
{
var circleshape = new scCircleShape();
circleshape.radius = 75;
var bodyPartDescription = new scBodyPartDescription();
bodyPartDescription.shape = circleshape;
var bodyDescription = new scBodyDescription();
bodyDescription.bodyType = scBodyType.Static;
bodyDescription.transform.position = new Vector2(-150, 0);
var bodyPartDescriptions = new List<scBodyPartDescription>();
bodyPartDescriptions.Add(bodyPartDescription);
var body = World.createBody(bodyDescription, bodyPartDescriptions);
}
{
var rectangleshape = scRectangleShape.fromLocalPositionAndHalfExtents(new Vector2(0, 0), new Vector2(75, 30));
var bodyPartDescription = new scBodyPartDescription();
bodyPartDescription.shape = rectangleshape;
var bodyDescription = new scBodyDescription();
bodyDescription.bodyType = scBodyType.Static;
bodyDescription.transform.position = new Vector2(50, 150);
var bodyPartDescriptions = new List<scBodyPartDescription>();
bodyPartDescriptions.Add(bodyPartDescription);
var body = World.createBody(bodyDescription, bodyPartDescriptions);
}
{
var edgeshape = new scEdgeShape();
edgeshape.start = new Vector2(-20, -40);
edgeshape.end = new Vector2(20, 40);
var bodyPartDescription = new scBodyPartDescription();
bodyPartDescription.shape = edgeshape;
var bodyDescription = new scBodyDescription();
bodyDescription.bodyType = scBodyType.Static;
bodyDescription.transform.position = new Vector2(100, 50);
var bodyPartDescriptions = new List<scBodyPartDescription>();
bodyPartDescriptions.Add(bodyPartDescription);
var body = World.createBody(bodyDescription, bodyPartDescriptions);
TESTEDGE = body;
}
{
var rectangleshape = scRectangleShape.fromLocalPositionAndHalfExtents(new Vector2(0, 0), new Vector2(40, 40));
var bodyPartDescription = new scBodyPartDescription();
bodyPartDescription.shape = rectangleshape;
var bodyDescription = new scBodyDescription();
bodyDescription.bodyType = scBodyType.Static;
bodyDescription.transform.position = new Vector2(200, 50);
var bodyPartDescriptions = new List<scBodyPartDescription>();
bodyPartDescriptions.Add(bodyPartDescription);
var body = World.createBody(bodyDescription, bodyPartDescriptions);
TESTRECTANGLE = body;
}
}
