public void LoadScene(string path)
{
NSError error;
this.selectedMaterial = null;
// Load the specified scene. First create a dictionary containing the options we want.
var options = new SCNSceneLoadingOptions
{
// Create normals if absent.
CreateNormalsIfAbsent = true,
// Optimize the rendering by flattening the scene graph when possible. Note that this would prevent you from animating objects independantly.
FlattenScene = true,
};
var scene = SCNScene.FromUrl(new NSUrl($"file://{path}"), options, out error);
if (scene != null)
{
base.Scene = scene;
}
else
{
Console.WriteLine($"Problem loading scene from: {path}\n{error.LocalizedDescription}");
}
}
public void SCNSceneLoadingOptions_AnimationImportPolicyTest()
{
SCNSceneLoadingOptions o = new SCNSceneLoadingOptions();
RoundTrip(o, SCNAnimationImportPolicy.Play);
RoundTrip(o, SCNAnimationImportPolicy.PlayRepeatedly);
RoundTrip(o, SCNAnimationImportPolicy.DoNotPlay);
RoundTrip(o, SCNAnimationImportPolicy.PlayUsingSceneTimeBase);
}
public static CAAnimation LoadAnimationNamed (string animationName, string sceneName)
{
NSUrl url = NSBundle.MainBundle.GetUrlForResource (sceneName, "dae");
var options = new SCNSceneLoadingOptions () {
ConvertToYUp = true
};
var sceneSource = new SCNSceneSource (url, options);
var animation = (CAAnimation)sceneSource.GetEntryWithIdentifier (animationName, new Class (typeof(CAAnimation)));
return animation;
}
public static CAAnimation LoadAnimationNamed(string animationName, string sceneName)
{
NSUrl url = NSBundle.MainBundle.GetUrlForResource(sceneName, "dae");
var options = new SCNSceneLoadingOptions()
{
ConvertToYUp = true
};
var sceneSource = new SCNSceneSource(url, options);
var animation = (CAAnimation)sceneSource.GetEntryWithIdentifier(animationName, new Class(typeof(CAAnimation)));
return(animation);
}
public SCNNode CreateLevel ()
{
RootNode = new SCNNode ();
// load level dae and add all root children to the scene.
var options = new SCNSceneLoadingOptions { ConvertToYUp = true };
SCNScene scene = SCNScene.FromFile ("level", GameSimulation.PathForArtResource ("level/"), options);
foreach (SCNNode node in scene.RootNode.ChildNodes)
RootNode.AddChildNode (node);
// retrieve the main camera
Camera = RootNode.FindChildNode ("camera_game", true);
// create our path that the player character will follow.
CalculatePathPositions ();
// Sun/Moon light
SunLight = RootNode.FindChildNode ("FDirect001", true);
SunLight.EulerAngles = new SCNVector3 (7.1f * (nfloat)Math.PI / 4, (nfloat)Math.PI / 4, 0f);
SunLight.Light.ShadowSampleCount = 1;
lightOffsetFromCharacter = new SCNVector3 (1500f, 2000f, 1000f);
//workaround directional light deserialization issue
SunLight.Light.ZNear = 100f;
SunLight.Light.ZFar = 5000f;
SunLight.Light.OrthographicScale = 1000f;
// Torches
var torchesPos = new float[] { 0f, -1f, 0.092467f, -1f, -1f, 0.5f, 0.792f, 0.95383f };
for (int i = 0; i < torchesPos.Length; i++) {
if (torchesPos [i] != -1) {
SCNVector3 location = LocationAlongPath (torchesPos [i]);
location.Y += 50;
location.Z += 150;
SCNNode node = CreateTorchNode ();
node.Position = location;
RootNode.AddChildNode (node);
}
}
// After load, we add nodes that are dynamic / animated / or otherwise not static.
CreateLavaAnimation ();
CreateSwingingTorch ();
AnimateDynamicNodes ();
// Create our player character
SCNNode characterRoot = GameSimulation.LoadNodeWithName (string.Empty, "art.scnassets/characters/explorer/explorer_skinned.dae");
PlayerCharacter = new PlayerCharacter (characterRoot);
TimeAlongPath = 0;
PlayerCharacter.Position = LocationAlongPath (TimeAlongPath);
PlayerCharacter.Rotation = GetPlayerDirectionFromCurrentPosition ();
RootNode.AddChildNode (PlayerCharacter);
// Optimize lighting and shadows
// only the charadcter should cast shadows
foreach (var child in RootNode.ChildNodes)
child.CastsShadow = false;
foreach (var child in PlayerCharacter.ChildNodes)
child.CastsShadow = true;
// Add some monkeys to the scene.
AddMonkeyAtPosition (new SCNVector3 (0f, -30f, -400f), 0f);
AddMonkeyAtPosition (new SCNVector3 (3211f, 146f, -400f), -(nfloat)Math.PI / 4f);
AddMonkeyAtPosition (new SCNVector3 (5200f, 330f, 600f), 0f);
// Volcano
SCNNode oldVolcano = RootNode.FindChildNode ("volcano", true);
string volcanoDaeName = GameSimulation.PathForArtResource ("level/volcano_effects.dae");
SCNNode newVolcano = GameSimulation.LoadNodeWithName ("dummy_master", volcanoDaeName);
oldVolcano.AddChildNode (newVolcano);
oldVolcano.Geometry = null;
oldVolcano = newVolcano.FindChildNode ("volcano", true);
oldVolcano = oldVolcano.ChildNodes [0];
// Animate our dynamic volcano node.
string shaderCode = "uniform float speed;\n" +
"_geometry.color = vec4(a_color.r, a_color.r, a_color.r, a_color.r);\n" +
"_geometry.texcoords[0] += (vec2(0.0, 1.0) * 0.05 * u_time);\n";
string fragmentShaderCode = "#pragma transparent\n";
// Dim background
SCNNode back = RootNode.FindChildNode ("dumy_rear", true);
foreach (var child in back.ChildNodes) {
child.CastsShadow = false;
if (child.Geometry == null)
continue;
foreach (SCNMaterial material in child.Geometry.Materials) {
material.LightingModelName = SCNLightingModel.Constant;
material.Multiply.Contents = AppKit.NSColor.FromDeviceWhite (0.3f, 1f);
material.Multiply.Intensity = 1;
}
}
SCNNode backMiddle = RootNode.FindChildNode ("dummy_middle", true);
foreach (var child in backMiddle.ChildNodes) {
if (child.Geometry == null)
continue;
foreach (SCNMaterial material in child.Geometry.Materials)
material.LightingModelName = SCNLightingModel.Constant;
}
foreach (var child in newVolcano.ChildNodes)
foreach (var volc in child.ChildNodes) {
if (volc != oldVolcano && volc.Geometry != null) {
volc.Geometry.FirstMaterial.LightingModelName = SCNLightingModel.Constant;
volc.Geometry.FirstMaterial.Multiply.Contents = AppKit.NSColor.White;
volc.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointGeometry = shaderCode,
EntryPointFragment = fragmentShaderCode
};
}
}
Coconuts = new List<Coconut> ();
return RootNode;
}
void RoundTrip(SCNSceneLoadingOptions o, SCNAnimationImportPolicy policy)
{
o.AnimationImportPolicy = policy;
Assert.IsTrue(o.AnimationImportPolicy == policy);
}
public SCNNode CreateLevel()
{
RootNode = new SCNNode();
// load level dae and add all root children to the scene.
var options = new SCNSceneLoadingOptions {
ConvertToYUp = true
};
SCNScene scene = SCNScene.FromFile("level", GameSimulation.PathForArtResource("level/"), options);
foreach (SCNNode node in scene.RootNode.ChildNodes)
{
RootNode.AddChildNode(node);
}
// retrieve the main camera
Camera = RootNode.FindChildNode("camera_game", true);
// create our path that the player character will follow.
CalculatePathPositions();
// Sun/Moon light
SunLight = RootNode.FindChildNode("FDirect001", true);
SunLight.EulerAngles = new SCNVector3(7.1f * (nfloat)Math.PI / 4, (nfloat)Math.PI / 4, 0f);
SunLight.Light.ShadowSampleCount = 1;
lightOffsetFromCharacter = new SCNVector3(1500f, 2000f, 1000f);
//workaround directional light deserialization issue
SunLight.Light.ZNear = 100f;
SunLight.Light.ZFar = 5000f;
SunLight.Light.OrthographicScale = 1000f;
// Torches
var torchesPos = new float[] { 0f, -1f, 0.092467f, -1f, -1f, 0.5f, 0.792f, 0.95383f };
for (int i = 0; i < torchesPos.Length; i++)
{
if (torchesPos [i] != -1)
{
SCNVector3 location = LocationAlongPath(torchesPos [i]);
location.Y += 50;
location.Z += 150;
SCNNode node = CreateTorchNode();
node.Position = location;
RootNode.AddChildNode(node);
}
}
// After load, we add nodes that are dynamic / animated / or otherwise not static.
CreateLavaAnimation();
CreateSwingingTorch();
AnimateDynamicNodes();
// Create our player character
SCNNode characterRoot = GameSimulation.LoadNodeWithName(string.Empty, "art.scnassets/characters/explorer/explorer_skinned.dae");
PlayerCharacter = new PlayerCharacter(characterRoot);
TimeAlongPath = 0;
PlayerCharacter.Position = LocationAlongPath(TimeAlongPath);
PlayerCharacter.Rotation = GetPlayerDirectionFromCurrentPosition();
RootNode.AddChildNode(PlayerCharacter);
// Optimize lighting and shadows
// only the charadcter should cast shadows
foreach (var child in RootNode.ChildNodes)
{
child.CastsShadow = false;
}
foreach (var child in PlayerCharacter.ChildNodes)
{
child.CastsShadow = true;
}
// Add some monkeys to the scene.
AddMonkeyAtPosition(new SCNVector3(0f, -30f, -400f), 0f);
AddMonkeyAtPosition(new SCNVector3(3211f, 146f, -400f), -(nfloat)Math.PI / 4f);
AddMonkeyAtPosition(new SCNVector3(5200f, 330f, 600f), 0f);
// Volcano
SCNNode oldVolcano = RootNode.FindChildNode("volcano", true);
string volcanoDaeName = GameSimulation.PathForArtResource("level/volcano_effects.dae");
SCNNode newVolcano = GameSimulation.LoadNodeWithName("dummy_master", volcanoDaeName);
oldVolcano.AddChildNode(newVolcano);
oldVolcano.Geometry = null;
oldVolcano = newVolcano.FindChildNode("volcano", true);
oldVolcano = oldVolcano.ChildNodes [0];
// Animate our dynamic volcano node.
string shaderCode = "uniform float speed;\n" +
"_geometry.color = vec4(a_color.r, a_color.r, a_color.r, a_color.r);\n" +
"_geometry.texcoords[0] += (vec2(0.0, 1.0) * 0.05 * u_time);\n";
string fragmentShaderCode = "#pragma transparent\n";
// Dim background
SCNNode back = RootNode.FindChildNode("dumy_rear", true);
foreach (var child in back.ChildNodes)
{
child.CastsShadow = false;
if (child.Geometry == null)
{
continue;
}
foreach (SCNMaterial material in child.Geometry.Materials)
{
material.LightingModelName = SCNLightingModel.Constant;
material.Multiply.Contents = AppKit.NSColor.FromDeviceWhite(0.3f, 1f);
material.Multiply.Intensity = 1;
}
}
SCNNode backMiddle = RootNode.FindChildNode("dummy_middle", true);
foreach (var child in backMiddle.ChildNodes)
{
if (child.Geometry == null)
{
continue;
}
foreach (SCNMaterial material in child.Geometry.Materials)
{
material.LightingModelName = SCNLightingModel.Constant;
}
}
foreach (var child in newVolcano.ChildNodes)
{
foreach (var volc in child.ChildNodes)
{
if (volc != oldVolcano && volc.Geometry != null)
{
volc.Geometry.FirstMaterial.LightingModelName = SCNLightingModel.Constant;
volc.Geometry.FirstMaterial.Multiply.Contents = AppKit.NSColor.White;
volc.Geometry.ShaderModifiers = new SCNShaderModifiers {
EntryPointGeometry = shaderCode,
EntryPointFragment = fragmentShaderCode
};
}
}
}
Coconuts = new List <Coconut> ();
return(RootNode);
}
