void Effect3DOutline::setTarget(EffectSprite3D *sprite)
{
CCASSERT(nullptr != sprite && nullptr != sprite->getMesh(),"Error: Setting a null pointer or a null mesh EffectSprite3D to Effect3D");
if(sprite != _sprite)
{
GLProgram* glprogram;
if(!sprite->getMesh()->getSkin())
glprogram = GLProgram::createWithFilenames(_vertShaderFile, _fragShaderFile);
else
glprogram = GLProgram::createWithFilenames(_vertSkinnedShaderFile, _fragSkinnedShaderFile);
_glProgramState = GLProgramState::create(glprogram);
_glProgramState->retain();
_glProgramState->setUniformVec3("OutLineColor", _outlineColor);
_glProgramState->setUniformFloat("OutlineWidth", _outlineWidth);
_sprite = sprite;
auto mesh = sprite->getMesh();
long offset = 0;
for (auto i = 0; i < mesh->getMeshVertexAttribCount(); i++)
{
auto meshvertexattrib = mesh->getMeshVertexAttribute(i);
_glProgramState->setVertexAttribPointer(s_attributeNames[meshvertexattrib.vertexAttrib],
meshvertexattrib.size,
meshvertexattrib.type,
GL_FALSE,
mesh->getVertexSizeInBytes(),
(void*)offset);
offset += meshvertexattrib.attribSizeBytes;
}
Color4F color(_sprite->getDisplayedColor());
color.a = _sprite->getDisplayedOpacity() / 255.0f;
_glProgramState->setUniformVec4("u_color", Vec4(color.r, color.g, color.b, color.a));
}
}
void Effect3DOutline::drawWithSprite(EffectSprite3D* sprite, const Mat4 &transform)
{
auto mesh = sprite->getMesh();
long offset = 0;
for (auto i = 0; i < mesh->getMeshVertexAttribCount(); i++)
{
auto meshvertexattrib = mesh->getMeshVertexAttribute(i);
_glProgramState->setVertexAttribPointer(s_attributeNames[meshvertexattrib.vertexAttrib],
meshvertexattrib.size,
meshvertexattrib.type,
GL_FALSE,
mesh->getVertexSizeInBytes(),
(void*)offset);
offset += meshvertexattrib.attribSizeBytes;
}
//draw
{
glEnable(GL_CULL_FACE);
glCullFace(GL_FRONT);
glEnable(GL_DEPTH_TEST);
Color4F color(sprite->getDisplayedColor());
color.a = sprite->getDisplayedOpacity() / 255.0f;
_glProgramState->setUniformVec4("u_color", Vec4(color.r, color.g, color.b, color.a));
auto mesh = sprite->getMesh();
glBindBuffer(GL_ARRAY_BUFFER, mesh->getVertexBuffer());
_glProgramState->apply(transform);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh->getIndexBuffer());
glDrawElements((GLenum)mesh->getPrimitiveType(), (GLsizei)mesh->getIndexCount(), (GLenum)mesh->getIndexFormat(), 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDisable(GL_DEPTH_TEST);
glCullFace(GL_BACK);
glDisable(GL_CULL_FACE);
CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, mesh->getIndexCount());
}
}