Rewrote effect firework. Now it kinda works.
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@ -1,7 +1,61 @@
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#pragma once
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#include "prototypes.h"
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#include "functions.h"
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#include "Effect.h"
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class FireworkEffect : public Effect {
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void loop();
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enum FireworkDotType { FIREWORK_DOT_NONE, FIREWORK_DOT_SHELL, FIREWORK_DOT_SPARK };
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#define EFFECT_FIREWORK_DRAG 255
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#define EFFECT_FIREWORK_BOUNCE 200
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#define EFFECT_FIREWORK_GRAVITY 10
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#define EFFECT_FIREWORK_SPARKS 12
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class FireworkEffect;
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class FireworkEffectDot {
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private:
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Window* _window;
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FireworkEffect* _main;
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accum88 _x;
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accum88 _y;
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saccum78 _xv;
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saccum78 _yv;
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accum88 _r;
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CRGB _color;
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void _screenscale(accum88 a, byte n, byte& screen, byte& screenerr);
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int16_t _scale15by8_local(int16_t i, fract8 scale);
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public:
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byte show;
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FireworkDotType type;
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FireworkEffectDot(Window* w, FireworkEffect* e);
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void draw();
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void move();
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void ground_launch();
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void sky_burst(accum88 basex, accum88 basey, saccum78 basedv, CRGB& basecolor);
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};
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class FireworkEffect : public Effect {
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private:
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Window* window = new Window(0, 0, LED_WIDTH, LED_HEIGHT-6);
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bool _skyburst = 0;
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accum88 _burst_x;
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accum88 _burst_y;
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saccum78 _burst_xv;
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saccum78 _burst_yv;
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CRGB _burst_color;
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FireworkEffectDot* _dot;
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FireworkEffectDot* _sparks[EFFECT_FIREWORK_SPARKS];
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public:
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FireworkEffect();
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~FireworkEffect();
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void skyburst(accum88 x, accum88 y, saccum78 xv, saccum78 yv, CRGB c);
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boolean supports_window = true;
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boolean can_be_shown_with_clock();
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void loop();
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};
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@ -1,13 +1,183 @@
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// Based on https://gist.github.com/kriegsman/68929cbd1d6de4535b20
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#include "effect_firework.h"
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#include "my_fastled.h"
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#include "functions.h"
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#include "config.h"
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FireworkEffectDot::FireworkEffectDot(Window* w, FireworkEffect* e) {
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_window = w;
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_main = e;
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show = 0;
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type = FIREWORK_DOT_NONE;
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_x = 0;
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_y = 0;
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_xv = 0;
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_yv = 0;
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_r = 0;
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_color.setRGB(0, 0, 0);
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}
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void FireworkEffectDot::_screenscale(accum88 a, byte n, byte& screen, byte& screenerr) {
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byte ia = a >> 8;
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screen = scale8(ia, n);
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byte m = screen * (256 / n);
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screenerr = (ia - m) * scale8(255, n);
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}
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int16_t FireworkEffectDot::_scale15by8_local(int16_t i, fract8 scale) {
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int16_t result;
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result = (int32_t)((int32_t) i*scale)/256;
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return result;
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}
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void FireworkEffectDot::draw() {
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if (!show) return;
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byte ix, xe, xc;
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byte iy, ye, yc;
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_screenscale(_x, _window->width, ix, xe);
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_screenscale(_y, _window->height, iy, ye);
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xc = 255 - xe;
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yc = 255 - ye;
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CRGB c00 = CRGB(dim8_video( scale8( scale8( _color.r, yc), xc)),
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dim8_video( scale8( scale8( _color.g, yc), xc)),
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dim8_video( scale8( scale8( _color.b, yc), xc)));
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CRGB c01 = CRGB(dim8_video( scale8( scale8( _color.r, ye), xc)),
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dim8_video( scale8( scale8( _color.g, ye), xc)),
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dim8_video( scale8( scale8( _color.b, ye), xc)));
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CRGB c10 = CRGB(dim8_video( scale8( scale8( _color.r, yc), xe)),
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dim8_video( scale8( scale8( _color.g, yc), xe)),
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dim8_video( scale8( scale8( _color.b, yc), xe)));
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CRGB c11 = CRGB(dim8_video( scale8( scale8( _color.r, ye), xe)),
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dim8_video( scale8( scale8( _color.g, ye), xe)),
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dim8_video( scale8( scale8( _color.b, ye), xe)));
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_window->addPixelColor(ix, iy, &c00);
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_window->addPixelColor(ix, iy+1, &c01);
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_window->addPixelColor(ix+1, iy, &c10);
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_window->addPixelColor(ix+1, iy+1, &c11);
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}
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void FireworkEffectDot::move() {
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if (!show) return;
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_yv -= EFFECT_FIREWORK_GRAVITY;
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_xv = _scale15by8_local(_xv, EFFECT_FIREWORK_DRAG);
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_yv = _scale15by8_local(_yv, EFFECT_FIREWORK_DRAG);
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if (type == FIREWORK_DOT_SPARK) {
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_xv = _scale15by8_local(_xv, EFFECT_FIREWORK_DRAG);
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_yv = _scale15by8_local(_yv, EFFECT_FIREWORK_DRAG);
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_color.nscale8(255);
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if (!_color) {
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show = 0;
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}
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}
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// Bounce if we hit the ground
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if (_xv < 0 && _y < (-_yv)) {
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if (type == FIREWORK_DOT_SPARK) {
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show = 0;
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} else {
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_yv = -_yv;
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_yv = _scale15by8_local(_yv, EFFECT_FIREWORK_BOUNCE);
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if (_yv < 500) {
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show = 0;
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}
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}
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}
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if (_yv < 300) {
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if (type == FIREWORK_DOT_SHELL) {
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if (_y > (uint16_t)0x8000) {
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// boom
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CRGB white(0xFFFFFF);
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_window->clear(&white);
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}
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show = 0;
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_main->skyburst(_x, _y, _xv, _yv, _color);
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}
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}
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if (type == FIREWORK_DOT_SPARK) {
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if ((_xv > 0 && _x>_xv) || (_xv < 0 && _x<(0xFFFF+_xv))) {
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_x += _xv;
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} else {
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show = 0;
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}
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} else {
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_x += _xv;
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}
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_y += _yv;
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}
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void FireworkEffectDot::ground_launch() {
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_xv = (int16_t)random16(600) - (int16_t)300;
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_yv = 600 + random16(300 + (25 * _window->height));
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_x = 0x8000;
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_y = 0;
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hsv2rgb_rainbow(CHSV(random8(), 240, 200), _color);
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show = 1;
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}
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void FireworkEffectDot::sky_burst(accum88 basex, accum88 basey, saccum78 basedv, CRGB& basecolor) {
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_xv = basedv + (int16_t)random16(2000) - (int16_t)1000;
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_yv = (int16_t)random16(1500) - (int16_t)500;
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_x = basex;
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_y = basey;
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_color = basecolor;
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_color *= 4;
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type = FIREWORK_DOT_SPARK;
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show = 1;
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}
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void FireworkEffect::skyburst(accum88 x, accum88 y, saccum78 xv, saccum78 yv, CRGB c) {
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_skyburst = 1;
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_burst_x = x;
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_burst_y = y;
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_burst_xv = xv;
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_burst_yv = yv;
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_burst_color = c;
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}
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boolean FireworkEffect::can_be_shown_with_clock() {
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return true;
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}
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void FireworkEffect::loop() {
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blur(EFFECT_FIREWORK_BLUR);
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fadeToBlackBy(leds, LED_COUNT, EFFECT_FIREWORK_FADEOUT_SPEED);
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if (random8(EFFECT_FIREWORK_SHOT_CHANCE)==0) {
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leds[random16(LED_COUNT)] = CHSV(random8(), 255, 255);
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window->clear();
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_dot->move();
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_dot->draw();
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for (int i=0; i<EFFECT_FIREWORK_SPARKS; i++) {
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_sparks[i]->move();
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_sparks[i]->draw();
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}
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static uint16_t launch_countdown = 0;
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if (_dot->show == 0) {
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if (launch_countdown == 0) {
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_dot->ground_launch();
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_dot->type = FIREWORK_DOT_SHELL;
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launch_countdown = random16(350) + 1;
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} else {
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launch_countdown--;
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}
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}
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if (_skyburst) {
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int nsparks = random8(EFFECT_FIREWORK_SPARKS / 2, EFFECT_FIREWORK_SPARKS + 1);
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for (int i=0; i<nsparks; i++) {
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_sparks[i]->sky_burst(_burst_x, _burst_y, _burst_yv, _burst_color);
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_skyburst = 0;
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}
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}
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}
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FireworkEffect::FireworkEffect() {
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_dot = new FireworkEffectDot(window, this);
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for (int i=0; i<EFFECT_FIREWORK_SPARKS; i++) {
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_sparks[i] = new FireworkEffectDot(window, this);
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}
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}
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FireworkEffect::~FireworkEffect() {
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delete window;
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for (int i=0; i<EFFECT_FIREWORK_SPARKS; i++) {
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delete _sparks[i];
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}
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delete _dot;
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}
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