diff options
Diffstat (limited to 'src/render.c')
| -rw-r--r-- | src/render.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/src/render.c b/src/render.c index 044dd42..e18b3a6 100644 --- a/src/render.c +++ b/src/render.c @@ -643,11 +643,28 @@ void render_draw(Game *game, Uint32 t) { glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, r->swirly_fbo); glClear(GL_COLOR_BUFFER_BIT); glViewport(0, 0, 64, 64); - if ( r->shaders ) glUseProgram(r->swirly_program); - if ( r->shaders ) glUniform1f(glGetUniformLocation(game->render->swirly_program, "time"), t); - if ( r->shaders ) glUniform1i(glGetUniformLocation(game->render->swirly_program, "landed"), game->lander->recharging); - if ( r->shaders ) glUniform1i(glGetUniformLocation(game->render->swirly_program, "rechargeripple"), game->lander->recharging); - if ( r->shaders ) glUniform2f(glGetUniformLocation(game->render->swirly_program, "lander"), game->platform_rel_x, game->platform_rel_y); + if ( r->shaders ) { + + GLfloat rrb = 0.0; + + glUseProgram(r->swirly_program); + glUniform1f(glGetUniformLocation(game->render->swirly_program, "time"), t); + glUniform1i(glGetUniformLocation(game->render->swirly_program, "landed"), game->lander->recharging); + if ( game->lander->recharging ) { + /* Fade in */ + rrb = fminf(((GLfloat)t-game->time_of_landing_event)/1500.0, 1.0); + glUniform1i(glGetUniformLocation(game->render->swirly_program, "rechargeripple"), 1); + } else if ( game->time_of_landing_event - t < 750 ) { + /* Fade out */ + rrb = fmaxf(1.0 - ((GLfloat)t-game->time_of_landing_event)/750.0, 0.0); + glUniform1i(glGetUniformLocation(game->render->swirly_program, "rechargeripple"), 1); + } else { + glUniform1i(glGetUniformLocation(game->render->swirly_program, "rechargeripple"), 0); + } + glUniform1f(glGetUniformLocation(game->render->swirly_program, "rrb"), rrb); + glUniform2f(glGetUniformLocation(game->render->swirly_program, "lander"), game->platform_rel_x, game->platform_rel_y); + + } /* else this is all a little pointless... */ glMatrixMode(GL_PROJECTION); glLoadIdentity(); glMatrixMode(GL_MODELVIEW); |