diff options
| -rw-r--r-- | src/render/draw.cc | 106 |
1 files changed, 82 insertions, 24 deletions
diff --git a/src/render/draw.cc b/src/render/draw.cc index 47f0d7a..01cddf3 100644 --- a/src/render/draw.cc +++ b/src/render/draw.cc @@ -611,6 +611,8 @@ void draw_pass_model_fx() { float t; + size_t circle_texture = Textures::load("bitmaps/fx/circle00"); + size_t flare_texture = Textures::bind("bitmaps/fx/flare00"); gl::enable(GL_TEXTURE_2D); @@ -721,32 +723,85 @@ void draw_pass_model_fx() float u = static_cast<core::EntityControlable *>(entity)->thrust(); - for(model::Model::Engines::iterator eit = entity->model()->engines().begin(); eit != entity->model()->engines().end(); eit++) { - - model::Engine *engine = (*eit); + if (u > 0) { + float fraction = (core::application()->time() + entity->state()->fuzz()) * 4.0f * u; + fraction = fraction - floorf(fraction); - math::Vector3f location = entity->state()->location() + (entity->state()->axis() * engine->location()); - float engine_size = 0.0625 * engine->radius(); - math::Color color(engine->color()); - color.a = 0.9f * u; - - if (flare_texture != engine->texture() ) { - gl::end(); - flare_texture = Textures::bind(engine->texture()); - gl::begin(gl::Quads); + for(model::Model::Engines::iterator eit = entity->model()->engines().begin(); eit != entity->model()->engines().end(); eit++) { + + model::Engine *engine = (*eit); + + math::Vector3f location = entity->state()->location() + (entity->state()->axis() * engine->location()); + float engine_size = 0.0625 * engine->radius(); + math::Color color(engine->color()); + color.a = 0.9f * u; + + if (flare_texture != engine->texture() ) { + gl::end(); + flare_texture = Textures::bind(engine->texture()); + gl::begin(gl::Quads); + } + + math::Vector3f quad[4]; + + quad[0].assign(entity->state()->axis().up() - entity->state()->axis().left()); + quad[1].assign(entity->state()->axis().up() + entity->state()->axis().left()); + quad[2].assign(entity->state()->axis().up() * -1 + entity->state()->axis().left()); + quad[3].assign(entity->state()->axis().up() * -1 - entity->state()->axis().left()); + + gl::color(color); + glTexCoord2f(0,1); + gl::vertex(location + quad[0] * engine_size); + glTexCoord2f(0,0); + gl::vertex(location + quad[1] * engine_size); + glTexCoord2f(1,0); + gl::vertex(location + quad[2] * engine_size); + glTexCoord2f(1,1); + gl::vertex(location + quad[3] * engine_size); + Stats::quads++; + + // draw the engine trail + if (flare_texture != circle_texture) { + gl::end(); + flare_texture = Textures::bind(circle_texture); + gl::begin(gl::Quads); + } + color.assign(1.0f, 1.0f); + math::Vector3f offset = entity->state()->axis().forward() * engine_size; + + if (fraction) + location -= offset * fraction; + + const size_t count = 8; + for (size_t i = count; i > 0; i--) { + float size = engine_size * 0.8f * (0.4f + ((-fraction + (float) i) / (float) count) * 0.6f); + color.a = (0.1f + ((-fraction + (float) i) / (float) count) * 0.7f) * u; + gl::color(color); + glTexCoord2f(0,1); + gl::vertex(location + quad[0] * size); + glTexCoord2f(0,0); + gl::vertex(location + quad[1] * size); + glTexCoord2f(1,0); + gl::vertex(location + quad[2] * size); + glTexCoord2f(1,1); + gl::vertex(location + quad[3] * size); + Stats::quads++; + + + gl::color(color); + glTexCoord2f(1,1); + gl::vertex(location + quad[3] * size); + glTexCoord2f(1,0); + gl::vertex(location + quad[2] * size); + glTexCoord2f(0,0); + gl::vertex(location + quad[1] * size); + glTexCoord2f(0,1); + gl::vertex(location + quad[0] * size); + Stats::quads++; + + location -= offset; + } } - - gl::color(color); - glTexCoord2f(0,1); - gl::vertex(location + (entity->state()->axis().up() - entity->state()->axis().left()) * engine_size); - glTexCoord2f(0,0); - gl::vertex(location + (entity->state()->axis().up() + entity->state()->axis().left()) * engine_size); - glTexCoord2f(1,0); - gl::vertex(location + (entity->state()->axis().up() * -1 + entity->state()->axis().left()) * engine_size); - glTexCoord2f(1,1); - gl::vertex(location + (entity->state()->axis().up() * -1 - entity->state()->axis().left()) * engine_size); - - Stats::quads++; } } } @@ -899,10 +954,12 @@ void draw(float seconds) gl::disable(GL_LIGHTING); gl::enable(GL_BLEND); + gl::depthmask(GL_FALSE); // disable depth buffer writing draw_pass_spacegrid(); // draw the blue spacegrid Dust::draw(); // draw spacedust + draw_pass_model_fx(); // draw entity lights and engines gl::enable(GL_LIGHTING); @@ -919,6 +976,7 @@ void draw(float seconds) gl::disable(GL_COLOR_MATERIAL); // disable color tracking gl::disable(GL_CULL_FACE); // disable culling + gl::depthmask(GL_TRUE); // enable depth buffer writing gl::disable(GL_DEPTH_TEST); // disable depth buffer testing // GL_BLEND must be enabled for the GUI } |