// Decides what will elements drawn after this call will look like
void Scene::setAppearance(const ObjectInstance &instance, int timer) {
const size_t shaderId = instance.shaderId;
glUseProgram(shaderId); // From now on, this shader will be used.
// We use the specific values of model per object
setMatricesInShader(shaderId, instance.transformation, camera.getView(), camera.getPosition(), camera.getProjection());
glUniform4fv(glGetUniformLocation(shaderId, "color"), 1, instance.color);
// Specifies which VBO were filled
const Object * pObject = storedObjects[instance.objectId];
assert(pObject);
setFilledDataInShader(shaderId, pObject->hasPrimitives(), pObject->hasNormals(), pObject->hasUvs(), pObject->hasColors());
// Sets the light in the current shader
setLightInShader(shaderId, lightPosition, lightPower);
setTimerInShader(shaderId, (GLfloat) timer);
//TO DO : Bind Texture
if(instance.textureId0 != 999){
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, instance.textureId0);
if(instance.textureId1 != 999){
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, instance.textureId1);
}
setTextureUnitsInShader(shaderId);
}
}
// Decides what will elements drawn after this call will look like
void Scene::setAppearance(GLuint indexDrawnObject)
{
glUseProgram(this->drawnObjectsShaderIDs[indexDrawnObject]); // From now on, this shader will be used.
// We use the specific values of model per object
GLfloat * model=&(this->drawnObjectsModels[indexDrawnObject*16]);
setMatricesInShader(this->drawnObjectsShaderIDs[indexDrawnObject], model, this->camera->view, this->camera->c, this->camera->projection);
// We use the specific values of color per object
GLfloat * color=&(this->drawnObjectsColors[indexDrawnObject*4]);
//changeMaterialColorInShader(this->drawnObjectsShaderIDs[indexDrawnObject], color);
//glUniform4fv(glGetUniformLocation(this->drawnObjectsShaderIDs[indexDrawnObject], "color"), 1, color);
changeMaterialColorInShader(this->drawnObjectsShaderIDs[indexDrawnObject], color); //Question 4a)
// Specifies which VBO were filled
Object * object=this->storedObjects[this->drawnObjects[indexDrawnObject]];
setFilledDataInShader(this->drawnObjectsShaderIDs[indexDrawnObject], object->primitives, object->normals, object->uvs, object->colors);
// Sets the light in the current shader
setLightInShader(this->drawnObjectsShaderIDs[indexDrawnObject], this->lightPosition, this->lightPower);
// in Scene::setAppearance(GLuint indexDrawnObject)
// Selects our current texture for unit 0
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, this->drawnObjectsTexture0IDs[indexDrawnObject]);
// Selects our current texture for unit 1
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, this->drawnObjectsTexture1IDs[indexDrawnObject]);
}