func addCrates(scene *ng.Scene, num int) {
var f float64
oldLen := len(crateIDs)
nuLen := oldLen + 3
if nuLen > cap(crateIDs) {
nu := make([]int, len(crateIDs), len(crateIDs)*2)
copy(nu, crateIDs)
crateIDs = nu
}
for i := 0; i < num; i++ {
tmpNode = apputil.AddNode(scene, 0, meshCubeID, -1, -1)
crateIDs = append(crateIDs, tmpNode.ID)
f = float64(oldLen + i)
tmpNode.Transform.SetPos((f+3)*-2, (f+1)*2, (f+2)*3)
switch i {
case 0:
tmpNode.Render.MatID = apputil.LibIDs.Mat["mix"]
case 1:
apputil.AddNode(scene, tmpNode.ID, meshPyrID, apputil.LibIDs.Mat["cat"], -1).Transform.Pos.Y = 2.125
case 2:
tmpNode.Render.ModelID = modelCubeCatID
}
}
scene.ApplyNodeTransforms(0)
}
func removeCrates(scene *ng.Scene, num int) {
if len(crateIDs) >= num {
for i := len(crateIDs) - num; i < len(crateIDs); i++ {
scene.RemoveNode(crateIDs[i])
}
crateIDs = crateIDs[:len(crateIDs)-num]
}
}
func AddSkyMesh(scene *ng.Scene, meshID int) {
cubeMapID := ng.Core.Libs.Images.TexCube.AddNew()
cubeMap := &ng.Core.Libs.Images.TexCube[cubeMapID]
LibIDs.ImgCube["sky"] = cubeMapID
cubeMap.InitFrom[0].RefUrl = "tex/sky/east.png" // positive X
cubeMap.InitFrom[1].RefUrl = "tex/sky/west.png" // negative X
cubeMap.InitFrom[2].RefUrl = "tex/sky/up.png" // positive Y
cubeMap.InitFrom[3].RefUrl = "tex/sky/down.png" // negative Y
cubeMap.InitFrom[4].RefUrl = "tex/sky/north.png" // positive Z
cubeMap.InitFrom[5].RefUrl = "tex/sky/south.png" // negative Z
fxID := ng.Core.Libs.Effects.AddNew()
LibIDs.Fx["sky"] = fxID
fx := &ng.Core.Libs.Effects[fxID]
fx.EnableTexCube(0).Tex.ImageID = cubeMap.ID
fx.EnableCoords(0)
fx.DisableCoords(0)
fx.UpdateRoutine()
matID := ng.Core.Libs.Materials.AddNew()
ng.Core.Libs.Materials[matID].DefaultEffectID = LibIDs.Fx["sky"]
LibIDs.Mat["sky"] = matID
scene.SetNodeMeshID(0, meshID)
scene.Root().Render.MatID = matID
}
func AddNode(scene *ng.Scene, parentNodeID, meshID, matID, modelID int) (node *ng.SceneNode) {
nodeID := scene.AddNewChildNode(parentNodeID, meshID)
node = scene.Node(nodeID)
node.Render.MatID, node.Render.ModelID = matID, modelID
return
}