...

assets/R.go

@@ -26,9 +26,11 @@ func Clear()  {
 var Shader *ShaderManager
 var Texture *TextureManager
 var Font *FontManager
+var PSConfig *ParticleConfigManager
 
 func init() {
 	Shader = NewShaderManager()
 	Texture = NewTextureManager()
 	Font = NewFontManager()
+	PSConfig = NewParticleConfigManager()
 }

assets/psconfig_m.go

@@ -0,0 +1,23 @@
+package assets
+
+// 粒子系统配置文件管理
+type ParticleConfigManager struct {
+
+}
+
+func NewParticleConfigManager() *ParticleConfigManager {
+	return &ParticleConfigManager{}
+}
+
+func (pcm *ParticleConfigManager) Load(file string) {
+
+}
+
+func (pcm *ParticleConfigManager) Unload(file string) {
+
+}
+
+func (pcm *ParticleConfigManager) Get(file string) interface{} {
+	return nil
+}
+

effect/particle.go

@@ -168,6 +168,10 @@ func (prf *ParticleRenderFeature) Draw(filter []engi.Entity) {
 	xt, mt, n := prf.xt, prf.et, prf.et.index
 	mr := prf.mr
 
+	if n == 0 {
+		return
+	}
+
 	var requireVertexSize int
 	var requireIndexSize int
 	for i := 0; i < n; i++ {

engi/math/math.go

@@ -54,4 +54,28 @@ func UInt16_max(a, b uint16) uint16 {
 
 func UInt32_cnttz(v uint32) uint32{
 	return 0
+}
+
+func Max(a, b float32) float32 {
+	if a < b {
+		return b
+	}
+	return a
+}
+
+func Min(a, b float32) float32 {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+func F32Clamp(v, left, right float32) float32{
+	if v > right {
+		return right
+	}
+	if v < left {
+		return left
+	}
+	return v
 }

game/game.go

@@ -9,11 +9,12 @@ import (
 	"korok.io/korok/assets"
 	"korok.io/korok/hid/input"
 	"korok.io/korok/gfx/dbg"
+	"korok.io/korok/gui"
 
 	"log"
 	"reflect"
 	"fmt"
-	"korok.io/korok/gui"
+
 )
 
 const (
@@ -47,6 +48,7 @@ type Game struct {
 	*input.InputSystem
 	*effect.ParticleSimulateSystem
 	*ScriptSystem
+	*anim.AnimationSystem
 }
 
 func (g *Game) Camera() *gfx.Camera {
@@ -84,7 +86,7 @@ func AddScene(scene Scene) {
 func (g *Game) Create() {
 	gfx.Init()
 	// render system
-	rs := &gfx.RenderSystem{}
+	rs := gfx.NewRenderSystem()
 	g.RenderSystem = rs
 
 	//
@@ -141,6 +143,10 @@ func (g *Game) Create() {
 	g.ScriptSystem = NewScriptSystem()
 	g.ScriptSystem.RequireTable(g.DB.Tables)
 
+	/// Sprite animation system
+	g.AnimationSystem = anim.NewAnimationSystem()
+	g.AnimationSystem.RequireTable(g.DB.Tables)
+
 	/// Customized scene
 	if current != nil {
 		current.Preload()
@@ -207,6 +213,9 @@ func (g *Game) Update() {
 
 	//// simulation....
 
+	// update sprite animation
+	g.AnimationSystem.Update(dt)
+
 	/// 动画更新，骨骼数据
 	///g.AnimationSystem.Update(dt)
 

korok.go

@@ -24,6 +24,11 @@ type Options struct {
 	Width, Height int
 }
 
+func RunScene(options *Options, sc game.Scene) {
+	PushScene(sc)
+	Run(options)
+}
+
 func Run(options *Options)  {
 	log.Println("Game Start! " + options.Title)