void blinnphong_app::render(double currentTime)
{
static const GLfloat zeros[] = { 0.0f, 0.0f, 0.0f, 0.0f };
static const GLfloat gray[] = { 0.1f, 0.1f, 0.1f, 0.0f };
static const GLfloat ones[] = { 1.0f };
const float f = (float)currentTime;
glUseProgram(per_fragment_program);
glViewport(0, 0, info.windowWidth, info.windowHeight);
glClearBufferfv(GL_COLOR, 0, gray);
glClearBufferfv(GL_DEPTH, 0, ones);
/*
vmath::mat4 model_matrix = vmath::rotate((float)currentTime * 14.5f, 0.0f, 1.0f, 0.0f) *
vmath::rotate(180.0f, 0.0f, 0.0f, 1.0f) *
vmath::rotate(20.0f, 1.0f, 0.0f, 0.0f);
*/
vmath::vec3 view_position = vmath::vec3(0.0f, 0.0f, 50.0f);
vmath::mat4 view_matrix = vmath::lookat(view_position,
vmath::vec3(0.0f, 0.0f, 0.0f),
vmath::vec3(0.0f, 1.0f, 0.0f));
vmath::vec3 light_position = vmath::vec3(-20.0f, -20.0f, 0.0f);
vmath::mat4 light_proj_matrix = vmath::frustum(-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 200.0f);
vmath::mat4 light_view_matrix = vmath::lookat(light_position,
vmath::vec3(0.0f), vmath::vec3(0.0f, 1.0f, 0.0f));
#if defined(MANY_OBJECTS)
int i, j;
for (j = 0; j < 7; j++)
{
for (i = 0; i < 7; i++)
{
glBindBufferBase(GL_UNIFORM_BUFFER, 0, uniforms_buffer);
uniforms_block * block = (uniforms_block *)glMapBufferRange(GL_UNIFORM_BUFFER,
0,
sizeof(uniforms_block),
GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
vmath::mat4 model_matrix = vmath::translate((float)i * 2.75f - 8.25f, 6.75f - (float)j * 2.25f, 0.0f);
block->mv_matrix = view_matrix * model_matrix;
block->view_matrix = view_matrix;
block->proj_matrix = vmath::perspective(50.0f,
(float)info.windowWidth / (float)info.windowHeight,
0.1f,
1000.0f);
glUnmapBuffer(GL_UNIFORM_BUFFER);
glUniform1f(uniforms[per_vertex ? 1 : 0].specular_power, powf(2.0f, (float)j + 2.0f));
glUniform3fv(uniforms[per_vertex ? 1 : 0].specular_albedo, 1, vmath::vec3((float)i / 9.0f + 1.0f / 9.0f));
object.render();
}
}
#else
glBindBufferBase(GL_UNIFORM_BUFFER, 0, uniforms_buffer);
uniforms_block * block = (uniforms_block *)glMapBufferRange(GL_UNIFORM_BUFFER,
0,
sizeof(uniforms_block),
GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
vmath::mat4 model_matrix = vmath::scale(7.0f);
block->mv_matrix = view_matrix * model_matrix;
block->view_matrix = view_matrix;
block->proj_matrix = vmath::perspective(50.0f,
(float)info.windowWidth / (float)info.windowHeight,
0.1f,
1000.0f);
glUnmapBuffer(GL_UNIFORM_BUFFER);
glUniform1f(uniforms[0].specular_power, 30.0f);
glUniform3fv(uniforms[0].specular_albedo, 1, vmath::vec3(1.0f));
object.render();
#endif
}
