mckero/uv-k1-k5v3-firmware-custom
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Armel FAUVEAU committed 2026-08-30 00:38:51 +02:00
1 parent 104b7fb0b7
commit b86da168e9
2 files changed
+37 -35
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App/apps/cube3d/cube3d_app.c
+36 -34
View File
@@ -45,34 +45,27 @@
static const app_api_t *A;
/* Q14 sine: round(16384 * sin(2*pi*i/256)). cos(i) == SIN[(i + 64) & 255]. */
static const int16_t SIN[256] = {
/* One Q14 sine quadrant. Symmetry recovers the full 256-step wave while saving
* 382 bytes for the renderer. */
static const int16_t SIN_Q[65] = {
0, 402, 804, 1205, 1606, 2006, 2404, 2801, 3196, 3590, 3981,
4370, 4756, 5139, 5520, 5897, 6270, 6639, 7005, 7366, 7723, 8076,
8423, 8765, 9102, 9434, 9760, 10080, 10394, 10702, 11003, 11297, 11585,
11866, 12140, 12406, 12665, 12916, 13160, 13395, 13623, 13842, 14053, 14256,
14449, 14635, 14811, 14978, 15137, 15286, 15426, 15557, 15679, 15791, 15893,
15986, 16069, 16143, 16207, 16261, 16305, 16340, 16364, 16379, 16384, 16379,
16364, 16340, 16305, 16261, 16207, 16143, 16069, 15986, 15893, 15791, 15679,
15557, 15426, 15286, 15137, 14978, 14811, 14635, 14449, 14256, 14053, 13842,
13623, 13395, 13160, 12916, 12665, 12406, 12140, 11866, 11585, 11297, 11003,
10702, 10394, 10080, 9760, 9434, 9102, 8765, 8423, 8076, 7723, 7366,
7005, 6639, 6270, 5897, 5520, 5139, 4756, 4370, 3981, 3590, 3196,
2801, 2404, 2006, 1606, 1205, 804, 402, 0, -402, -804, -1205,
-1606, -2006, -2404, -2801, -3196, -3590, -3981, -4370, -4756, -5139, -5520,
-5897, -6270, -6639, -7005, -7366, -7723, -8076, -8423, -8765, -9102, -9434,
-9760,-10080,-10394,-10702,-11003,-11297,-11585,-11866,-12140,-12406,-12665,
-12916,-13160,-13395,-13623,-13842,-14053,-14256,-14449,-14635,-14811,-14978,
-15137,-15286,-15426,-15557,-15679,-15791,-15893,-15986,-16069,-16143,-16207,
-16261,-16305,-16340,-16364,-16379,-16384,-16379,-16364,-16340,-16305,-16261,
-16207,-16143,-16069,-15986,-15893,-15791,-15679,-15557,-15426,-15286,-15137,
-14978,-14811,-14635,-14449,-14256,-14053,-13842,-13623,-13395,-13160,-12916,
-12665,-12406,-12140,-11866,-11585,-11297,-11003,-10702,-10394,-10080, -9760,
-9434, -9102, -8765, -8423, -8076, -7723, -7366, -7005, -6639, -6270, -5897,
-5520, -5139, -4756, -4370, -3981, -3590, -3196, -2801, -2404, -2006, -1606,
-1205, -804, -402,
8423, 8765, 9102, 9434, 9760,10080,10394,10702,11003,11297,11585,
11866,12140,12406,12665,12916,13160,13395,13623,13842,14053,14256,
14449,14635,14811,14978,15137,15286,15426,15557,15679,15791,15893,
15986,16069,16143,16207,16261,16305,16340,16364,16379,16384
};
static int sin8(uint8_t angle)
{
const uint8_t quadrant = angle >> 6;
uint8_t i = angle & 63u;
if (quadrant & 1u)
i = (uint8_t)(64u - i);
const int value = SIN_Q[i];
return quadrant >= 2u ? -value : value;
}
/* A face is a polygon of up to 6 vertex indices, wound CCW as seen from outside
* (generated offline by the hull extractor, so the signed-area cull sign is the
* same for every solid). Unused slots are 0-padded and ignored (n gives length). */
@@ -126,6 +119,13 @@ static const shape_t SHAPES[NSHAPE] = {
/* Per-frame projected screen coords + rotated depth of each vertex. */
static int16_t px[MAXV], py[MAXV], pz[MAXV];
/* Quarter-half-units per frame. The low end has fractional angular steps;
* level 16 reaches the old 16 half-units/frame once divided by four. */
static const uint8_t ROT_RATE[16] = {
1, 2, 3, 4, 6, 8, 10, 12,
16, 20, 24, 30, 36, 44, 52, 64
};
/* Set one pixel across the full 64 rows: 0..7 -> status line, 8..63 -> fb. */
static void set_pixel(int x, int y)
{
@@ -187,20 +187,20 @@ void app_main(const app_api_t *api)
A->backlight_on();
A->status_clear();
uint16_t ax = 0, ay = 0, az = 0; /* angles in half-units (512 = full turn) */
uint16_t ax = 0, ay = 0, az = 0; /* Q2 half-units: 2048 = full turn */
uint8_t shape = 0;
uint8_t speed = 6; /* 1..16, in half-units (6 == old default 3) */
uint8_t speed = 4; /* 1..16, shared by all three rotation axes */
bool paused = false;
bool wire = false; /* false = solid (hidden-line) */
bool wire = true; /* false = solid (hidden-line) */
bool running = true;
uint8_t prevKey = APP_KEY_INVALID;
while (running) {
const shape_t *s = &SHAPES[shape];
const uint8_t ia = (uint8_t)(ax >> 1), ib = (uint8_t)(ay >> 1), ic = (uint8_t)(az >> 1);
const int cx = SIN[(uint8_t)(ia + 64)], sxr = SIN[ia];
const int cy = SIN[(uint8_t)(ib + 64)], syr = SIN[ib];
const int cz = SIN[(uint8_t)(ic + 64)], szr = SIN[ic];
const uint8_t ia = (uint8_t)(ax >> 3), ib = (uint8_t)(ay >> 3), ic = (uint8_t)(az >> 3);
const int cx = sin8((uint8_t)(ia + 64u)), sxr = sin8(ia);
const int cy = sin8((uint8_t)(ib + 64u)), syr = sin8(ib);
const int cz = sin8((uint8_t)(ic + 64u)), szr = sin8(ic);
for (uint8_t i = 0; i < s->nv; i++) {
int x = s->v[i][0], y = s->v[i][1], z = s->v[i][2];
@@ -243,9 +243,10 @@ void app_main(const app_api_t *api)
A->blit_full();
if (!paused) {
ax += speed; /* half-units/frame (level 1..16) */
ay += (uint16_t)(speed + 2u); /* one full unit faster, as before */
az += 2u; /* fixed 1 unit/frame tumble */
const uint16_t rate = ROT_RATE[speed - 1u];
ax += rate;
ay += (uint16_t)(rate + rate / 2u);
az += (uint16_t)((rate + 1u) / 2u);
}
const uint8_t key = A->get_key();
@@ -282,5 +283,6 @@ void app_main(const app_api_t *api)
}
prevKey = key;
A->backlight_update();
A->delay_ms((uint32_t)(32u - speed * 2u)); /* slow low end, no added delay at level 16 */
}
}
App/apps/plasma/plasma_app.c
+1 -1
View File
@@ -85,7 +85,7 @@ void app_main(const app_api_t *api)
uint16_t autoCtr = 0;
uint8_t speed = 3;
uint8_t var = 0;
bool bands = false;
bool bands = true;
bool autoc = false;
bool paused = false;
bool running = true;