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Update ui_rf3d.cpp

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This commit is contained in:
RocketGod 2025-03-27 08:03:54 -07:00
parent 61bd67f387
commit d48ef69e79
1 changed files with 16 additions and 37 deletions
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53
firmware/application/external/rf3d/ui_rf3d.cpp vendored
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@ -61,12 +61,14 @@ void RF3DView::stop() {
}
void RF3DView::update_spectrum(const ChannelSpectrum& spectrum) {
for (int x = 0; x < SCREEN_WIDTH; x++) {
for (int z = MAX_RENDER_DEPTH - 1; z > 0; z--) {
spectrum_data[x][z] = spectrum_data[x][z - 1];
for (int x = SCREEN_WIDTH - 1; x > 0; x--) {
for (int z = 0; z < MAX_RENDER_DEPTH; z++) {
spectrum_data[x][z] = spectrum_data[x - 1][z];
}
int index = (x < 120) ? (256 - 120 + x) : (x - 120);
spectrum_data[x][0] = spectrum.db[index];
}
for (int z = 0; z < MAX_RENDER_DEPTH; z++) {
int index = z * SCREEN_WIDTH / MAX_RENDER_DEPTH;
spectrum_data[0][z] = spectrum.db[index];
}
sampling_rate = spectrum.sampling_rate;
}
@ -74,42 +76,19 @@ void RF3DView::update_spectrum(const ChannelSpectrum& spectrum) {
void RF3DView::render_3d_waterfall(Painter& painter) {
painter.fill_rectangle({0, header_height, SCREEN_WIDTH, RENDER_HEIGHT}, Color::black());
float camera_x = 0.0f;
float plane_x = 0.66f;
float dir_x = 1.0f;
for (int x = 0; x < SCREEN_WIDTH; x++) {
float ray_x = dir_x + plane_x * (2.0f * x / SCREEN_WIDTH - 1);
for (int z = 0; z < MAX_RENDER_DEPTH; z++) {
int screen_x = x;
int height = spectrum_data[x][z] * RENDER_HEIGHT / 255;
int screen_y = SCREEN_HEIGHT - height;
float delta_x = fabs(1.0f / ray_x);
int map_x = 0;
int step_x = (ray_x < 0) ? -1 : 1;
float side_x = (ray_x < 0) ? (1.0f - camera_x) * delta_x : camera_x * delta_x;
int depth = 0;
while (depth < MAX_RENDER_DEPTH) {
map_x += step_x;
side_x += delta_x;
if (map_x >= SCREEN_WIDTH) break;
float perp_dist = side_x - delta_x;
if (perp_dist < 0.1f) perp_dist = 0.1f;
int line_height = RENDER_HEIGHT / perp_dist;
int start_y = -line_height / 2 + HALF_HEIGHT + header_height;
int end_y = line_height / 2 + HALF_HEIGHT + header_height;
if (start_y < header_height) start_y = header_height;
if (end_y > SCREEN_HEIGHT) end_y = SCREEN_HEIGHT;
uint8_t amplitude = spectrum_data[map_x][depth];
uint8_t r = amplitude;
uint8_t g = 255 - amplitude;
uint8_t r = spectrum_data[x][z];
uint8_t g = 255 - spectrum_data[x][z];
uint8_t b = 0;
painter.fill_rectangle({x, start_y, 1, end_y - start_y}, Color(r, g, b));
depth++;
if (screen_y < SCREEN_HEIGHT) {
painter.fill_rectangle({screen_x, screen_y, 1, height}, Color(r, g, b));
}
}
}
}