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Merge pull request #10608 from super626/v3 

Add project function to camera and fix cocos ui bug
This commit is contained in:
minggo 2015-02-27 11:47:55 +08:00
parent 95a9e7de04 dd070e177e
commit b973d08b6e
11 changed files with 108 additions and 24 deletions
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32
cocos/2d/CCCamera.cpp
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@ -240,10 +240,28 @@ bool Camera::initOrthographic(float zoomX, float zoomY, float nearPlane, float f
return true;
}
void Camera::unproject(const Size& viewport, Vec3* src, Vec3* dst) const
Vec2 Camera::project(const Vec3& src) const
{
assert(dst);
Vec4 screen(src->x / viewport.width, ((viewport.height - src->y)) / viewport.height, src->z, 1.0f);
Vec2 screenPos;
auto viewport = Director::getInstance()->getWinSize();
Vec4 clipPos;
getViewProjectionMatrix().transformVector(Vec4(src.x, src.y, src.z, 1.0f), &clipPos);
CCASSERT(clipPos.w != 0.0f, "");
float ndcX = clipPos.x / clipPos.w;
float ndcY = clipPos.y / clipPos.w;
screenPos.x = (ndcX + 1.0f) * 0.5f * viewport.width;
screenPos.y = (1.0f - (ndcY + 1.0f) * 0.5f) * viewport.height;
return screenPos;
}
Vec3 Camera::unproject(const Vec3& src) const
{
auto viewport = Director::getInstance()->getWinSize();
Vec4 screen(src.x / viewport.width, ((viewport.height - src.y)) / viewport.height, src.z, 1.0f);
screen.x = screen.x * 2.0f - 1.0f;
screen.y = screen.y * 2.0f - 1.0f;
screen.z = screen.z * 2.0f - 1.0f;
@ -256,7 +274,13 @@ void Camera::unproject(const Size& viewport, Vec3* src, Vec3* dst) const
screen.z /= screen.w;
}
dst->set(screen.x, screen.y, screen.z);
return Vec3(screen.x, screen.y, screen.z);
}
void Camera::unproject(const Size& viewport, const Vec3* src, Vec3* dst) const
{
CCASSERT(src && dst, "vec3 can not be null");
*dst = unproject(*src);
}
bool Camera::isVisibleInFrustum(const AABB* aabb) const

25
cocos/2d/CCCamera.h
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@ -126,11 +126,30 @@ public:
/**get view projection matrix*/
const Mat4& getViewProjectionMatrix() const;
/* convert the specified point of viewport from world-space coordinates into the screen-space coordinates.
*
* @param src The world-space position.
* @return The screen-space position.
*/
Vec2 project(const Vec3& src) const;
/**
* Convert the specified point of viewport from screen-space coordinate into the world-space coordinate.
*
* @param src The screen-space position.
* @return The world-space position.
*/
Vec3 unproject(const Vec3& src) const;
/**
* Convert the specified point of viewport from screenspace coordinate into the worldspace coordinate.
*/
void unproject(const Size& viewport, Vec3* src, Vec3* dst) const;
* Convert the specified point of viewport from screen-space coordinate into the world-space coordinate.
*
* @param viewport The viewport size to use.
* @param src The screen-space position.
* @param dst The world-space position.
*/
void unproject(const Size& viewport, const Vec3* src, Vec3* dst) const;
/**
* Is this aabb visible in frustum

2
cocos/2d/CCNode.h
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@ -1575,7 +1575,7 @@ public:
/** get & set camera mask, the node is visible by the camera whose camera flag & node's camera mask is true */
unsigned short getCameraMask() const { return _cameraMask; }
void setCameraMask(unsigned short mask, bool applyChildren = true);
virtual void setCameraMask(unsigned short mask, bool applyChildren = true);
CC_CONSTRUCTOR_ACCESS:
// Nodes should be created using create();

13
cocos/2d/CCProtectedNode.cpp
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@ -431,4 +431,17 @@ void ProtectedNode::disableCascadeOpacity()
}
}
void ProtectedNode::setCameraMask(unsigned short mask, bool applyChildren)
{
Node::setCameraMask(mask, applyChildren);
if (applyChildren)
{
for (auto& iter: _protectedChildren)
{
iter->setCameraMask(mask);
}
}
}
NS_CC_END

1
cocos/2d/CCProtectedNode.h
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@ -163,6 +163,7 @@ public:
virtual void updateDisplayedColor(const Color3B& parentColor) override;
virtual void disableCascadeColor() override;
virtual void disableCascadeOpacity()override;
virtual void setCameraMask(unsigned short mask, bool applyChildren = true) override;
CC_CONSTRUCTOR_ACCESS:
ProtectedNode();
virtual ~ProtectedNode();

14
cocos/scripting/lua-bindings/manual/cocos2d/lua_cocos2dx_manual.cpp
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@ -7266,6 +7266,20 @@ int lua_cocos2dx_Camera_unproject(lua_State* tolua_S)
#endif
argc = lua_gettop(tolua_S)-1;
if (argc == 1)
{
cocos2d::Vec3 arg0;
ok &= luaval_to_vec3(tolua_S, 2, &arg0, "cc.Camera:project");
if(!ok)
{
tolua_error(tolua_S,"invalid arguments in function 'lua_cocos2dx_Camera_project'", nullptr);
return 0;
}
auto ret = cobj->unproject(arg0);
vec3_to_luaval(tolua_S, ret);
return 1;
}
if (argc == 3)
{
cocos2d::Size arg0;

13
cocos/ui/UIScale9Sprite.cpp
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@ -1335,4 +1335,17 @@ namespace ui {
return this->getScaleX();
}
void Scale9Sprite::setCameraMask(unsigned short mask, bool applyChildren)
{
Node::setCameraMask(mask, applyChildren);
if(_scale9Image)
_scale9Image->setCameraMask(mask,applyChildren);
for(auto& iter: _protectedChildren)
{
iter->setCameraMask(mask);
}
}
}}

1
cocos/ui/UIScale9Sprite.h
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@ -376,6 +376,7 @@ namespace ui {
virtual float getScaleY() const override;
virtual float getScale() const override;
using Node::getScaleZ;
virtual void setCameraMask(unsigned short mask, bool applyChildren = true) override;
protected:
void updateCapInset();
void updatePositions();

20
tests/cpp-tests/Classes/Camera3DTest/Camera3DTest.cpp
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@ -563,8 +563,8 @@ void Camera3DTestDemo::onTouchesEnded(const std::vector<Touch*>& touches, cocos2
Vec3 nearP(location.x, location.y, -1.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
_camera->unproject(size, &nearP, &nearP);
_camera->unproject(size, &farP, &farP);
nearP = _camera->unproject(nearP);
farP = _camera->unproject(farP);
Vec3 dir(farP - nearP);
float dist=0.0f;
float ndd = Vec3::dot(Vec3(0,1,0),dir);
@ -1000,30 +1000,30 @@ void CameraCullingDemo::drawCameraFrustum()
// top-left
Vec3 tl_0,tl_1;
Vec3 src(0,0,0);
_cameraFirst->unproject(size, &src, &tl_0);
tl_0 = _cameraFirst->unproject(src);
src = Vec3(0,0,1);
_cameraFirst->unproject(size, &src, &tl_1);
tl_1 = _cameraFirst->unproject(src);
// top-right
Vec3 tr_0,tr_1;
src = Vec3(size.width,0,0);
_cameraFirst->unproject(size, &src, &tr_0);
tr_0 = _cameraFirst->unproject(src);
src = Vec3(size.width,0,1);
_cameraFirst->unproject(size, &src, &tr_1);
tr_1 = _cameraFirst->unproject(src);
// bottom-left
Vec3 bl_0,bl_1;
src = Vec3(0,size.height,0);
_cameraFirst->unproject(size, &src, &bl_0);
bl_0 = _cameraFirst->unproject(src);
src = Vec3(0,size.height,1);
_cameraFirst->unproject(size, &src, &bl_1);
bl_1 = _cameraFirst->unproject(src);
// bottom-right
Vec3 br_0,br_1;
src = Vec3(size.width,size.height,0);
_cameraFirst->unproject(size, &src, &br_0);
br_0 = _cameraFirst->unproject(src);
src = Vec3(size.width,size.height,1);
_cameraFirst->unproject(size, &src, &br_1);
br_1 = _cameraFirst->unproject(src);
_drawFrustum->drawLine(tl_0, tl_1, color);
_drawFrustum->drawLine(tr_0, tr_1, color);

4
tests/cpp-tests/Classes/Sprite3DTest/Sprite3DTest.cpp
View File

@ -650,8 +650,8 @@ void Sprite3DFakeShadowTest::onTouchesEnded(const std::vector<Touch*>& touches,
Vec3 nearP(location.x, location.y, -1.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
_camera->unproject(size, &nearP, &nearP);
_camera->unproject(size, &farP, &farP);
nearP = _camera->unproject(nearP);
farP = _camera->unproject(farP);
Vec3 dir(farP - nearP);
float dist=0.0f;
float ndd = Vec3::dot(Vec3(0,1,0),dir);

7
tests/lua-tests/src/Camera3DTest/Camera3DTest.lua
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@ -223,10 +223,9 @@ function Camera3DTestDemo:onEnter()
if self._camera ~= nil and self._sprite3D ~= nil and self._cameraType == CameraType.ThirdCamera then
local nearP = cc.vec3(location.x, location.y, -1.0)
local farP = cc.vec3(location.x, location.y, 1.0)
local size = cc.Director:getInstance():getWinSize()
nearP = self._camera:unproject(size, nearP, nearP)
farP = self._camera:unproject(size, farP, farP)
nearP = self._camera:unproject(nearP)
farP = self._camera:unproject(farP)
local dir = cc.vec3(farP.x - nearP.x, farP.y - nearP.y, farP.z - nearP.z)
local dist=0.0
local ndd = dir.x * 0 + dir.y * 1 + dir.z * 0