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 setupScene() {
var (
err error
meshFloorID, meshBoxID int
bufRest *ng.MeshBuffer
)
// textures / materials
apputil.AddTextureMaterials(map[string]string{
"cobbles": "tex/cobbles.png",
"dog": "tex/dog.png",
"cat": "tex/cat.png",
"gopher": "tex/gopher.png",
"crate": "tex/crate.jpeg",
})
fxPulseID := ng.Core.Libs.Effects.AddNew()
apputil.LibIDs.Fx["pulse"] = fxPulseID
fxPulse := &ng.Core.Libs.Effects[fxPulseID]
fxPulse.EnableTex2D(0).Tex_SetImageID(apputil.LibIDs.Img2D["crate"])
fxPulse.EnableTex2D(1).Tex_SetImageID(apputil.LibIDs.Img2D["gopher"]).SetMixWeight(0.5)
fxPulse.UpdateRoutine()
dogMat := &ng.Core.Libs.Materials[apputil.LibIDs.Mat["dog"]]
dogMat.FaceEffects.ByTag["top"] = apputil.LibIDs.Fx["cat"]
dogMat.FaceEffects.ByTag["front"] = fxPulseID
// meshes / models
if bufRest, err = ng.Core.Mesh.Buffers.AddNew("buf_rest", 200); err != nil {
panic(err)
}
if meshFloorID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_plane", ng.Core.Mesh.Desc.Plane); err != nil {
panic(err)
}
if meshBoxID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_box", ng.Core.Mesh.Desc.Cube); err != nil {
panic(err)
}
bufRest.Add(meshFloorID)
bufRest.Add(meshBoxID)
scene := apputil.AddMainScene()
floor := apputil.AddNode(scene, 0, meshFloorID, apputil.LibIDs.Mat["cobbles"], -1)
floorID = floor.ID
floor.Transform.SetScale(100)
box := apputil.AddNode(scene, 0, meshBoxID, apputil.LibIDs.Mat["dog"], -1)
boxID = box.ID
box.Transform.Pos.Y = 2
scene.ApplyNodeTransforms(0)
camCtl := &apputil.SceneCam.Controller
camCtl.BeginUpdate()
camCtl.Pos.Set(-2.5, 2, -7)
camCtl.TurnRightBy(90)
camCtl.EndUpdate()
}
func setupScene() {
var (
err error
meshFloorID, meshCubeID int
bufRest *ng.MeshBuffer
)
// textures / materials
apputil.AddTextureMaterials(map[string]string{
"cobbles": "tex/cobbles.png",
"dog": "tex/dog.png",
})
// meshes / models
if bufRest, err = ng.Core.Mesh.Buffers.AddNew("buf_rest", 200); err != nil {
panic(err)
}
if meshFloorID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_plane", ng.Core.Mesh.Desc.Plane); err != nil {
panic(err)
}
if meshCubeID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_cube", ng.Core.Mesh.Desc.Cube); err != nil {
panic(err)
}
bufRest.Add(meshFloorID)
bufRest.Add(meshCubeID)
// scene
scene := apputil.AddMainScene()
apputil.AddSkyMesh(scene, meshCubeID)
floor := apputil.AddNode(scene, 0, meshFloorID, apputil.LibIDs.Mat["cobbles"], -1)
floorID = floor.ID
floor.Transform.SetScale(100)
cubeID = apputil.AddNode(scene, 0, meshCubeID, apputil.LibIDs.Mat["sky"], -1).ID
dog := apputil.AddNode(scene, 0, meshCubeID, apputil.LibIDs.Mat["dog"], -1)
dogID = dog.ID
dog.Transform.Pos.X, dog.Transform.Pos.Z = -2, 2
scene.ApplyNodeTransforms(0)
camCtl := &apputil.SceneCam.Controller
camCtl.BeginUpdate()
camCtl.Pos.Set(-1, 2, -5)
camCtl.EndUpdate()
}
func setupExample_01_TriQuad() {
var (
err error
meshTriID, meshQuadID int
meshBuf *ng.MeshBuffer
)
// textures / materials
apputil.AddTextureMaterials(map[string]string{
"cat": "tex/cat.png",
"dog": "tex/dog.png",
})
toggleOrange(apputil.LibIDs.Fx["dog"])
// meshes / models
if meshTriID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_tri", ng.Core.Mesh.Desc.Tri); err != nil {
panic(err)
}
if meshQuadID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_quad", ng.Core.Mesh.Desc.Quad); err != nil {
panic(err)
}
if meshBuf, err = ng.Core.Mesh.Buffers.AddNew("meshbuf", 3+6); err != nil {
panic(err)
}
if err = meshBuf.Add(meshTriID); err != nil {
panic(err)
}
if err = meshBuf.Add(meshQuadID); err != nil {
panic(err)
}
// scene
scene := apputil.AddMainScene()
catTri = apputil.AddNode(scene, 0, meshTriID, apputil.LibIDs.Mat["cat"], -1).ID
dogQuad = apputil.AddNode(scene, 0, meshQuadID, apputil.LibIDs.Mat["dog"], -1).ID
camCtl := &apputil.SceneCam.Controller
camCtl.BeginUpdate()
camCtl.TurnRightBy(90)
camCtl.EndUpdate()
}
func setupExample_02_EmptyGround() {
var (
err error
meshPlaneID int
bufRest *ng.MeshBuffer
)
// textures / materials
apputil.AddTextureMaterials(map[string]string{
"cobbles": "tex/cobbles.png",
})
// meshes / models
if bufRest, err = ng.Core.Mesh.Buffers.AddNew("buf_rest", 100); err != nil {
panic(err)
}
if meshPlaneID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_plane", ng.Core.Mesh.Desc.Plane); err != nil {
panic(err)
}
bufRest.Add(meshPlaneID)
// scene
scene := apputil.AddMainScene()
floor := apputil.AddNode(scene, 0, meshPlaneID, apputil.LibIDs.Mat["cobbles"], -1)
floorNodeID = floor.ID
floor.Transform.SetPos(0.1, 0, -8)
floor.Transform.SetScale(100)
scene.ApplyNodeTransforms(floorNodeID)
camCtl := &apputil.SceneCam.Controller
camCtl.BeginUpdate()
camCtl.Pos.Y = 1.6
camCtl.TurnRightBy(90)
camCtl.EndUpdate()
}
func setupScene() {
var (
err error
meshFloorID, meshPyrID int
bufRest *ng.MeshBuffer
)
// textures / materials
apputil.AddTextureMaterials(map[string]string{
"cobbles": "tex/cobbles.png",
"dog": "tex/dog.png",
"cat": "tex/cat.png",
})
fxBlueID := ng.Core.Libs.Effects.AddNew()
fxBlue := &ng.Core.Libs.Effects[fxBlueID]
fxBlue.EnableColor(-1).Color_SetRgb(0, 0.33, 0.66)
fxBlue.EnableTex2D(-1).Tex_SetImageID(apputil.LibIDs.Img2D["dog"]).SetMixWeight(0.33)
fxBlue.UpdateRoutine()
fxGreenID := ng.Core.Libs.Effects.AddNew()
fxGreen := &ng.Core.Libs.Effects[fxGreenID]
fxGreen.EnableColor(-1).Color_SetRgb(0, 0.66, 0.33)
fxGreen.UpdateRoutine()
fxCat := &ng.Core.Libs.Effects[apputil.LibIDs.Fx["cat"]]
fxCat.EnableOrangify(-1)
fxCat.UpdateRoutine()
fxPulseID := ng.Core.Libs.Effects.AddNew()
apputil.LibIDs.Fx["pulse"] = fxPulseID
fxPulse := &ng.Core.Libs.Effects[fxPulseID]
fxPulse.EnableColor(0).Color_SetRgb(0.6, 0, 0)
fxPulse.EnableColor(1).Color_SetRgb(0.9, 0.7, 0).SetMixWeight(0.25)
fxPulse.UpdateRoutine()
dogMat := &ng.Core.Libs.Materials[apputil.LibIDs.Mat["dog"]]
dogMat.DefaultEffectID = fxBlueID
dogMat.FaceEffects.ByID["t0"] = apputil.LibIDs.Fx["cat"]
dogMat.FaceEffects.ByID["t1"] = fxPulseID
dogMat.FaceEffects.ByID["t2"] = fxGreenID
// meshes / models
if bufRest, err = ng.Core.Mesh.Buffers.AddNew("buf_rest", 200); err != nil {
panic(err)
}
if meshFloorID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_plane", ng.Core.Mesh.Desc.Plane); err != nil {
panic(err)
}
if meshPyrID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_pyr", ng.Core.Mesh.Desc.Pyramid); err != nil {
panic(err)
}
bufRest.Add(meshFloorID)
bufRest.Add(meshPyrID)
scene := apputil.AddMainScene()
apputil.AddSkyMesh(scene, meshPyrID)
floor := apputil.AddNode(scene, 0, meshFloorID, apputil.LibIDs.Mat["cobbles"], -1)
floorID = floor.ID
floor.Transform.SetScale(100)
pyr := apputil.AddNode(scene, 0, meshPyrID, apputil.LibIDs.Mat["dog"], -1)
pyrID = pyr.ID
pyr.Transform.Pos.Y = 2
scene.ApplyNodeTransforms(0)
camCtl := &apputil.SceneCam.Controller
camCtl.BeginUpdate()
camCtl.Pos.Set(-1.5, 2, -4)
camCtl.TurnRightBy(90)
camCtl.EndUpdate()
}
func setupExample_03_PyrCube() {
var (
err error
meshPlaneID, meshPyrID, meshCubeID int
bufFloor, bufRest *ng.MeshBuffer
)
urlPrefix := "http://dl.dropbox.com/u/136375/go-ngine/assets/"
urlPrefix = ""
// textures / materials
apputil.AddTextureMaterials(map[string]string{
"cobbles": urlPrefix + "tex/cobbles.png",
"crate": "tex/crate.jpeg",
"mosaic": "tex/mosaic.jpeg",
"gopher": "tex/gopher.png",
"dog": "tex/dog.png",
"cat": "tex/cat.png",
})
// meshes
if bufFloor, err = ng.Core.Mesh.Buffers.AddNew("buf_floor", 6); err != nil {
panic(err)
}
if bufRest, err = ng.Core.Mesh.Buffers.AddNew("buf_rest", 36+12); err != nil {
panic(err)
}
if meshPlaneID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_plane", ng.Core.Mesh.Desc.Plane); err != nil {
panic(err)
}
if meshPyrID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_pyramid", ng.Core.Mesh.Desc.Pyramid); err != nil {
panic(err)
}
if meshCubeID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_cube", ng.Core.Mesh.Desc.Cube); err != nil {
panic(err)
}
bufFloor.Add(meshPlaneID)
bufRest.Add(meshCubeID)
bufRest.Add(meshPyrID)
fx := &ng.Core.Libs.Effects[apputil.LibIDs.Fx["cat"]]
fx.EnableOrangify(-1).SetMixWeight(0.5)
fx.UpdateRoutine()
fx = &ng.Core.Libs.Effects[apputil.LibIDs.Fx["dog"]]
fx.EnableTex2D(1).Tex_SetImageID(apputil.LibIDs.Img2D["gopher"]).SetMixWeight(0.5)
fx.UpdateRoutine()
ng.Core.Libs.Materials[apputil.LibIDs.Mat["crate"]].FaceEffects.ByTag["front"] = apputil.LibIDs.Fx["dog"]
ng.Core.Libs.Materials[apputil.LibIDs.Mat["mosaic"]].FaceEffects.ByID["t3"] = apputil.LibIDs.Fx["cat"]
// scene / nodes
scene := apputil.AddMainScene()
apputil.AddSkyMesh(scene, meshCubeID)
floor := apputil.AddNode(scene, 0, meshPlaneID, apputil.LibIDs.Mat["cobbles"], -1)
floorNodeID = floor.ID
floor.Transform.SetPos(0.1, 0, -8)
floor.Transform.SetScale(1000)
scene.ApplyNodeTransforms(floorNodeID)
pyrNodeID = apputil.AddNode(scene, 0, meshPyrID, apputil.LibIDs.Mat["mosaic"], -1).ID
boxNodeID = apputil.AddNode(scene, 0, meshCubeID, apputil.LibIDs.Mat["crate"], -1).ID
scene.Node(pyrNodeID).Transform.Pos.Set(-2, 1.5, 2)
scene.Node(boxNodeID).Transform.Pos.Set(2, 1.5, -2)
scene.ApplyNodeTransforms(0)
camCtl := &apputil.SceneCam.Controller
camCtl.BeginUpdate()
camCtl.Pos.X, camCtl.Pos.Y, camCtl.Pos.Z = 0, 1.7, -10
camCtl.TurnRightBy(90)
camCtl.EndUpdate()
if false {
ng.Loop.Delay = 100 * time.Millisecond
}
}
func setupExample_04_PyrsCubes() {
var (
err error
meshPlaneID int
bufFloor, bufRest *ng.MeshBuffer
)
// textures / materials
apputil.AddTextureMaterials(map[string]string{
"cobbles": "tex/cobbles.png",
"crate": "tex/crate.jpeg",
"mosaic": "tex/mosaic.jpeg",
"cat": "tex/cat.png",
"dog": "tex/dog.png",
"gopher": "tex/gopher.png",
})
fx := &ng.Core.Libs.Effects[apputil.LibIDs.Fx["mosaic"]]
fx.EnableTex2D(1).Tex_SetImageID(apputil.LibIDs.Img2D["gopher"]).SetMixWeight(0.5)
fx.UpdateRoutine()
// meshes / models
if bufFloor, err = ng.Core.Mesh.Buffers.AddNew("buf_floor", 6); err != nil {
panic(err)
}
if bufRest, err = ng.Core.Mesh.Buffers.AddNew("buf_rest", 36+12); err != nil {
panic(err)
}
if meshPlaneID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_plane", ng.Core.Mesh.Desc.Plane); err != nil {
panic(err)
}
modelPlaneDefaultID := ng.Core.Libs.Models.AddNew()
ng.Core.Libs.Models[modelPlaneDefaultID].MatID = apputil.LibIDs.Mat["cobbles"]
ng.Core.Libs.Meshes[meshPlaneID].DefaultModelID = modelPlaneDefaultID
if meshPyrID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_pyramid", ng.Core.Mesh.Desc.Pyramid); err != nil {
panic(err)
}
modelPyrDefaultID := ng.Core.Libs.Models.AddNew()
ng.Core.Libs.Models[modelPyrDefaultID].MatID = apputil.LibIDs.Mat["mosaic"]
ng.Core.Libs.Meshes[meshPyrID].DefaultModelID = modelPyrDefaultID
modelPyrDogID := ng.Core.Libs.Models.AddNew()
ng.Core.Libs.Models[modelPyrDogID].MatID = apputil.LibIDs.Mat["dog"]
if meshCubeID, err = ng.Core.Libs.Meshes.AddNewAndLoad("mesh_cube", ng.Core.Mesh.Desc.Cube); err != nil {
panic(err)
}
modelCubeDefaultID := ng.Core.Libs.Models.AddNew()
ng.Core.Libs.Models[modelCubeDefaultID].MatID = apputil.LibIDs.Mat["crate"]
ng.Core.Libs.Meshes[meshCubeID].DefaultModelID = modelCubeDefaultID
modelCubeCatID = ng.Core.Libs.Models.AddNew()
ng.Core.Libs.Models[modelCubeCatID].MatID = apputil.LibIDs.Mat["cat"]
tmpMat := &ng.Core.Libs.Materials[apputil.LibIDs.Mat["crate"]]
tmpMat.FaceEffects.ByTag["front"] = apputil.LibIDs.Fx["cat"]
tmpMat.FaceEffects.ByTag["back"] = apputil.LibIDs.Fx["dog"]
tmpMat = &ng.Core.Libs.Materials[ng.Core.Libs.Materials.AddNew()]
tmpMat.DefaultEffectID = apputil.LibIDs.Fx["crate"]
tmpMat.FaceEffects.ByTag["front"], tmpMat.FaceEffects.ByTag["back"] = apputil.LibIDs.Fx["cat"], apputil.LibIDs.Fx["cat"]
tmpMat.FaceEffects.ByTag["top"], tmpMat.FaceEffects.ByTag["bottom"] = apputil.LibIDs.Fx["dog"], apputil.LibIDs.Fx["dog"]
tmpMat.FaceEffects.ByTag["left"], tmpMat.FaceEffects.ByTag["right"] = apputil.LibIDs.Fx["gopher"], apputil.LibIDs.Fx["gopher"]
apputil.LibIDs.Mat["mix"] = tmpMat.ID
bufFloor.Add(meshPlaneID)
bufRest.Add(meshCubeID)
bufRest.Add(meshPyrID)
// scene
scene := apputil.AddMainScene()
apputil.AddSkyMesh(scene, meshPyrID)
floor := apputil.AddNode(scene, 0, meshPlaneID, -1, -1)
floorID = floor.ID
floor.Transform.SetPos(0.1, 0, -8)
floor.Transform.SetScale(10000)
pyrID = apputil.AddNode(scene, 0, meshPyrID, -1, -1).ID
boxID = apputil.AddNode(scene, 0, meshCubeID, -1, -1).ID
for i := 0; i < initialCrateAdds; i++ {
addCrates(scene, 3)
}
var f float64
for i := 0; i < len(pyrIDs); i++ {
tmpNode = apputil.AddNode(scene, 0, meshPyrID, -1, -1)
pyrIDs[i] = tmpNode.ID
if i > 1 {
tmpNode.Render.ModelID = modelPyrDogID
}
f = float64(len(pyrIDs) - i)
tmpNode.Transform.SetScale((f + 1) * 2)
tmpNode.Transform.SetPos((f+3)*-4, (f+2)*3, (f+2)*14)
if i > 1 {
if i == 2 {
f = 45
} else {
f = 135
}
tmpNode.Transform.Rot.Z = unum.DegToRad(f)
} else {
if i == 0 {
f = 180
} else {
f = 90
}
tmpNode.Transform.Rot.X = unum.DegToRad(f)
}
if i == 1 {
tmpNode.Transform.SetScale(100)
tmpNode.Transform.Pos.Y += 100
}
}
scene.ApplyNodeTransforms(0)
apputil.RearView.Setup(scene.ID)
if err = gui2d.Setup(); err != nil {
panic(err)
}
camCtl := &apputil.SceneCam.Controller
camCtl.BeginUpdate()
camCtl.Pos.X, camCtl.Pos.Y, camCtl.Pos.Z = -3.57, 3.63, 19.53
camCtl.TurnRightBy(-111)
camCtl.EndUpdate()
}