fix group particle scale problem

Signed-off-by: rainfiel <rainfiel@gmail.com>
avoid particles create too much lmatrix

Signed-off-by: rainfiel <rainfiel@gmail.com>
fix file handle error
给API文档添加目录索引
增加游戏恢复激活状态时的接口
Merge pull request #51 from keyring/master

给API文档添加目录索引
Merge branch 'master' into public
fix apply particle matrix error

Signed-off-by: rainfiel <rainfiel@gmail.com>
修改game定义到头文件
Merge branch 'master' of ssh://oa.ejoy.com/ejoy2d
calc text size of label

Signed-off-by: rainfiel <rainfiel@gmail.com>
remove useless attr of pack_label

Signed-off-by: rainfiel <rainfiel@gmail.com>
Merge branch 'master' into public
Merge branch 'master' of https://github.com/cloudwu/ejoy2d