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- #include <EEPROM.h>
- #include <SPI.h>
- #include <GD2.h>
- #include "kenney_assets.h"
- #define PLAYER1_SIZE (PLAYER1_HEIGHT + 8)
- #define HEART_SZ (HEART_HEIGHT + 14)
- static void rotate_player(int a)
- {
- GD.cmd_loadidentity();
- GD.cmd_translate(F16(PLAYER1_SIZE / 2),F16(PLAYER1_SIZE / 2));
- GD.cmd_rotate(a);
- GD.cmd_translate(F16(-PLAYER1_WIDTH / 2),F16(-PLAYER1_HEIGHT / 2));
- GD.cmd_setmatrix();
- }
- static void rotate_heart(int a)
- {
- GD.cmd_loadidentity();
- GD.cmd_translate(F16(HEART_SZ / 2),F16(HEART_SZ / 2));
- GD.cmd_rotate(a);
- GD.cmd_translate(F16(-HEART_WIDTH / 2),F16(-HEART_HEIGHT / 2));
- GD.cmd_setmatrix();
- }
- #define BLOBS 32
- class Trail {
- public:
- int idx;
- int x[BLOBS];
- int y[BLOBS];
- int sz[BLOBS];
- void add(int nx, int ny) {
- x[idx] = nx;
- y[idx] = ny;
- sz[idx] = 192;
- idx = (idx + 1) % BLOBS;
- }
- void draw(int sy) {
- for (int i = 0; i < BLOBS; i++) {
- if (sz[i]) {
- GD.PointSize(sz[i]);
- GD.Vertex2f(x[i], -(sy << 4) + y[i]);
- sz[i] -= 1;
- y[i] += 12;
- }
- }
- }
- };
- struct xy {
- int x, y;
- };
- struct {
- xy p[3];
- Trail trail[3];
- xy hearts[20];
- xy clouds[20];
- } state;
- static void polar(uint16_t th, int r)
- {
- int x, y;
- GD.polar(x, y, r, th);
- GD.Vertex2f(16 * 240 + x, 16 * 136 + y);
- }
- #define RAYS 7
- #define RAYSIZE (65536 / RAYS)
- #define RAYEDGE (4 * 16)
- static void ray(uint16_t th, int r0, int r1)
- {
- polar(th, r0);
- polar(th, r1);
- polar(th + RAYSIZE / 2, r1);
- polar(th + RAYSIZE / 2, r0);
- polar(th, r0);
- }
- // c1 is edge color, c2 is interior color
- static void burst(uint16_t th, int r, uint32_t c1, uint32_t c2)
- {
- GD.Clear(0,1,0);
- GD.ColorMask(0,0,0,0);
- GD.StencilOp(KEEP, INVERT);
- GD.StencilFunc(ALWAYS, 255, 255);
- for (int i = 0; i < RAYS; i++) {
- GD.Begin(EDGE_STRIP_A);
- ray(th + (i * RAYSIZE), r / 4, r + (r >> 4));
- }
- GD.ColorMask(1,1,1,1);
- GD.StencilFunc(EQUAL, 255, 255);
- GD.StencilOp(KEEP, KEEP);
- GD.Begin(POINTS);
- GD.ColorRGB(c1);
- GD.PointSize(r);
- GD.Vertex2ii(240, 136);
- GD.ColorRGB(c2);
- GD.PointSize(r - RAYEDGE);
- GD.Vertex2ii(240, 136);
- GD.ColorRGB(c1);
- GD.PointSize((r / 4) + RAYEDGE);
- GD.Vertex2ii(240, 136);
- GD.StencilFunc(ALWAYS, 255, 255);
- GD.LineWidth(RAYEDGE / 2);
- for (int i = 0; i < RAYS; i++) {
- GD.Begin(LINES);
- ray(th + (i * RAYSIZE), r / 4 + (RAYEDGE / 2), r - (RAYEDGE / 2));
- }
- }
- static void sunrise(int t)
- {
- static int r = 0, v = 0;
- // yellow 0xffcc00
- // reddish 0xe86a17
- // blue 0x1ea7e1
- // green 0x73cd4b
- GD.ColorRGB(C1B);
- GD.PointSize((r * 3) >> 4);
- GD.Begin(POINTS);
- GD.Vertex2f(16 * 240, 16 * 136);
- // GD.ColorA(min(255, t * 6));
- if (t == 0) {
- r = 0;
- v = 0;
- }
- burst(t * -261, r + (r >> 1), C2B, C2);
- burst(t * 335, r, C1B, C1);
- int f = ((16L * 130) - r) / 29;
- v = ((v + f) * 243L) >> 8;
- r += v;
- }
- static void draw(int t)
- {
- int y = 1648 - t;
- // GD.finish(); long t0 = micros();
- // GD.ClearColorRGB(0xd0f4f7); GD.Clear();
- GD.cmd_gradient(0, 0, 0xa0a4f7, //' gradient{
- 0, 272, 0xd0f4f7); //' }gradient
- if (360 <= t) {
- GD.RestoreContext();
- sunrise(t - 360);
- }
- GD.Begin(BITMAPS); //' clouds{
- GD.BlendFunc(ONE, ONE_MINUS_SRC_ALPHA);
- GD.BitmapHandle(CLOUD_HANDLE);
- GD.Cell(0);
- for (int i = 0; i < 20; i++) {
- byte lum = 128 + 5 * i;
- GD.ColorA(lum);
- GD.ColorRGB(lum, lum, lum);
- GD.Vertex2f(state.clouds[i].x, state.clouds[i].y);
- state.clouds[i].y += (4 + (i >> 3));
- if (state.clouds[i].y > (16 * 272))
- state.clouds[i].y -= 16 * (272 + CLOUD_HEIGHT);
- } //' }clouds
- GD.RestoreContext();
- GD.BlendFunc(ONE, ONE_MINUS_SRC_ALPHA);
- GD.Begin(BITMAPS); //' tiles{
- GD.BitmapHandle(TILES_HANDLE);
- const PROGMEM uint8_t *src = layer1_map + (y >> 5) * 15;
- byte yo = y & 31;
- for (byte j = 0; j < 10; j++)
- for (byte i = 0; i < 15; i++) {
- byte t = pgm_read_byte_near(src++);
- if (t != 0) {
- GD.Cell(t - 1);
- GD.Vertex2f(16 * 32 * i, 16 * ((32 * j) - yo));
- }
- } //' }tiles
- // GD.BlendFunc(SRC_ALPHA, ZERO);
- uint16_t a = t * 100;
- uint16_t a2 = a << 1;
- uint16_t a3 = a2 << 1;
- state.p[0].x = 16 * 240 + GD.rsin(16 * 120, a) + GD.rsin(16 * 120, a2);
- state.p[0].y = 16 * 136 + GD.rsin(16 * 70, a3);
- state.p[1].x = 16 * 240 + GD.rsin(16 * 240, a);
- state.p[1].y = 16 * 100 + GD.rsin(16 * 36, a2);
- state.p[2].x = 16 * 240 + GD.rsin(16 * 240, a2);
- state.p[2].y = 16 * 135 + GD.rsin(16 * 10, a) + GD.rsin(16 * 18, a3);
- for (int i = 0; i < 3; i++) {
- if ((t & 3) == 0) {
- state.trail[i].add(state.p[i].x, (y << 4) + state.p[i].y);
- }
- GD.BlendFunc(SRC_ALPHA, ONE_MINUS_SRC_ALPHA);
- GD.Begin(POINTS);
- GD.ColorA(0x90);
- uint32_t colors[3] = {0x8bcfba, 0x8db5e7, 0xf19cb7};
- GD.ColorRGB(colors[i]);
- state.trail[i].draw(y);
- }
- GD.ColorRGB(0xffffff);
- GD.ColorA(0xff);
- GD.BlendFunc(ONE, ONE_MINUS_SRC_ALPHA);
- GD.BitmapHandle(PLAYER1_HANDLE); //' player{
- GD.Begin(BITMAPS);
- for (int i = 0; i < 3; i++) {
- rotate_player(a + i * 0x7000);
- GD.Cell(i);
- GD.Vertex2f(state.p[i].x - (16 * PLAYER1_SIZE / 2),
- state.p[i].y - (16 * PLAYER1_SIZE / 2));
- } //' }player
- if (t > 480) {
- GD.BlendFunc(SRC_ALPHA, ONE_MINUS_SRC_ALPHA);
- GD.ColorA(min((t - 480) * 4, 255));
- GD.Begin(BITMAPS);
- GD.BitmapHandle(HEART_HANDLE);
- GD.Cell(0);
- for (int i = 0; i < 20; i++) {
- if ((i & 3) == 0)
- rotate_heart(a + (i << 12));
- GD.Vertex2f(state.hearts[i].x - (16 * HEART_SZ / 2), state.hearts[i].y);
- state.hearts[i].y += 30 + (i << 2);
- if (state.hearts[i].y > (16 * 272))
- state.hearts[i].y -= 16 * (272 + HEART_SZ);
- }
- }
- // GD.RestoreContext(); GD.cmd_number(0, 0, 26, 6, micros() - t0);
- GD.swap();
- }
- void setup()
- {
- GD.begin();
- Serial.begin(1000000);
- // GD.wr32(REG_PWM_HZ, 18000); GD.wr(REG_PWM_DUTY, 64);
- GD.Clear();
- LOAD_ASSETS();
- // Handle Graphic
- // 0 Tiles
- byte hy[] = {36, 12, 144, 204, 216, 120, 48, 168, 192, 84, 72, 60, 24, 180, 0, 108, 228, 132, 156, 96};
- for (int i = 0; i < 20; i++) {
- state.hearts[i].x = random(16 * 480);
- state.hearts[i].y = 16 * hy[i];
- state.clouds[i].x = 16 * (random(480) - (CLOUD_WIDTH / 2));
- state.clouds[i].y = 16 * hy[i];
- }
- }
- void loop()
- {
- for (int t = 0; t < 720; t++) {
- draw(t);
- }
- }
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