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Highlight across all plot panes and existing bug fix #649

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e41ab05
Highlight the selected point across all plot panes
Kinvert Aug 18, 2026
fdc2316
Drop int cast
Kinvert Aug 18, 2026
035ed0a
View Rotation and Fixed Existing Bug
Kinvert Aug 18, 2026
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80 changes: 64 additions & 16 deletions src/constellation.c
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Original file line number Diff line number Diff line change
Expand Up @@ -481,12 +481,19 @@ int main(int argc, char** argv) {
#include "raymath.h"

#define CAMERA_ORBITAL_SPEED 0.05f
void CustomUpdateCamera(Camera *camera, float orbitSpeed) {
float cameraOrbitalSpeed = CAMERA_ORBITAL_SPEED*GetFrameTime();
Matrix rotation = MatrixRotate(GetCameraUp(camera), cameraOrbitalSpeed);
Vector3 view = Vector3Subtract(camera->position, camera->target);
view = Vector3Transform(view, rotation);
camera->position = Vector3Add(camera->target, view);
#define MOUSE_ROTATE_SPEED 0.005f
void CustomUpdateCamera(Camera *camera, float orbitSpeed, Rectangle bounds) {
if (CheckCollisionPointRec(GetMousePosition(), bounds) && IsMouseButtonDown(MOUSE_LEFT_BUTTON)) {
Vector2 delta = GetMouseDelta();
CameraYaw(camera, -delta.x*MOUSE_ROTATE_SPEED, true);
CameraPitch(camera, -delta.y*MOUSE_ROTATE_SPEED, true, true, false);
} else {
float cameraOrbitalSpeed = CAMERA_ORBITAL_SPEED*GetFrameTime();
Matrix rotation = MatrixRotate(GetCameraUp(camera), cameraOrbitalSpeed);
Vector3 view = Vector3Subtract(camera->position, camera->target);
view = Vector3Transform(view, rotation);
camera->position = Vector3Add(camera->target, view);
}
CameraMoveToTarget(camera, -GetMouseWheelMove());
if (IsKeyPressed(KEY_KP_SUBTRACT)) CameraMoveToTarget(camera, 2.0f);
if (IsKeyPressed(KEY_KP_ADD)) CameraMoveToTarget(camera, -2.0f);
Expand Down Expand Up @@ -785,7 +792,8 @@ void draw_axes3() {
);
}

void boxplot(Table* table, int col, int x_scale, int i, int hyper_count, PlotArgs args, Color color, bool* filter) {
void boxplot(Table* table, int col, int x_scale, int i, int hyper_count, PlotArgs args, Color color,
bool* filter, bool has_highlight, float highlight_val) {
int width = args.width;
int height = args.height;

Expand Down Expand Up @@ -818,6 +826,13 @@ void boxplot(Table* table, int col, int x_scale, int i, int hyper_count, PlotArg
left = fminf(fmax(left, args.left_margin), width - args.right_margin);
right = fmaxf(fmin(right, width - args.right_margin), 0);
DrawRectangle(left, args.top_margin + i*dy, right - left, dy, color);

if (has_highlight) {
float hval = scale_val(x_scale, highlight_val);
float hx = args.left_margin + (hval - x_min)/(x_max - x_min)*plot_width;
hx = fminf(fmaxf(hx, args.left_margin), width - args.right_margin);
DrawRectangle(hx - 1, args.top_margin + i*dy, 3, dy, BLUE);
}
}

void plot_gl(Glyph* glyphs, int size, Shader* shader) {
Expand Down Expand Up @@ -971,6 +986,22 @@ void update_closest(Tooltip* tooltip, Vector2 *indices, Glyph* glyphs, int size,
}
}

void draw_highlight(Tooltip* tooltip, Vector2* indices, Glyph* glyphs, int size,
float x_offset, float y_offset, float* disp_x, float* disp_y) {
if (!tooltip->active) {
return;
}
// TODO Ugly but can't yet find a better way. Checking ary_idx first makes this cheap
for (int i=0; i<size; i++) {
if (indices[i].y == tooltip->ary_idx && indices[i].x == tooltip->env_idx) {
*disp_x = x_offset + glyphs[i].x;
*disp_y = y_offset + glyphs[i].y;
DrawRing((Vector2){glyphs[i].x, glyphs[i].y}, 10, 13, 0, 360, 36, PUFF_CYAN);
return;
}
}
}

void copy_hypers_to_clipboard(Table *table, char* buffer, int row) {
char* start = buffer;
char* prefix = NULL;
Expand Down Expand Up @@ -1189,6 +1220,7 @@ int main(void) {
args1.scale[2] = 1;
RenderTexture2D fig1 = LoadRenderTexture(args1.width, args1.height);
RenderTexture2D fig1_overlay = LoadRenderTexture(args1.width, args1.height);
Rectangle fig1_bounds = {0, 2*SETTINGS_HEIGHT, args1.width, args1.height};
int fig_env_idx = 0;
bool fig_env_active = false;
bool fig_x_active = false;
Expand Down Expand Up @@ -1255,6 +1287,8 @@ int main(void) {
bool *filter = calloc(max_data_points, sizeof(bool));

Tooltip tooltip = {0};
float disp_x = 0;
float disp_y = 0;

Vector2 focus = {0, 0};

Expand All @@ -1266,7 +1300,9 @@ int main(void) {

if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) {
focus = GetMousePosition();
tooltip.active = false;
if (!CheckCollisionPointRec(focus, fig1_bounds)) {
tooltip.active = false;
}
}
if (IsMouseButtonPressed(MOUSE_RIGHT_BUTTON)) {
Vector2 mouse_pos = GetMousePosition();
Expand Down Expand Up @@ -1325,11 +1361,14 @@ int main(void) {
}
autoscale(points, size, &args1);
toPx(points, glyphs, size, args1);
update_closest(&tooltip, env_indices, glyphs, size, 0, 2*SETTINGS_HEIGHT);
if (right_clicked) {
update_closest(&tooltip, env_indices, glyphs, size, 0, 2*SETTINGS_HEIGHT);
}
plot_gl(glyphs, size, &shader);
draw_highlight(&tooltip, env_indices, glyphs, size, 0, 2*SETTINGS_HEIGHT, &disp_x, &disp_y);

BeginMode3D(args1.camera);
CustomUpdateCamera(&args1.camera, CAMERA_ORBITAL_SPEED);
CustomUpdateCamera(&args1.camera, CAMERA_ORBITAL_SPEED, fig1_bounds);
draw_axes3();
EndMode3D();
EndTextureMode();
Expand All @@ -1350,8 +1389,11 @@ int main(void) {
args2.mmin[2] = 0.0f;
args2.mmax[2] = 0.0f;
toPx(points, glyphs, size, args2);
update_closest(&tooltip, env_indices, glyphs, size, fig1.texture.width, 2*SETTINGS_HEIGHT);
if (right_clicked) {
update_closest(&tooltip, env_indices, glyphs, size, fig1.texture.width, 2*SETTINGS_HEIGHT);
}
plot_gl(glyphs, size, &shader);
draw_highlight(&tooltip, env_indices, glyphs, size, fig1.texture.width, 2*SETTINGS_HEIGHT, &disp_x, &disp_y);
draw_axes(args2);
draw_all_ticks(args2);
EndTextureMode();
Expand Down Expand Up @@ -1388,8 +1430,11 @@ int main(void) {
}
autoscale(points, size, &args3);
toPx(points, glyphs, size, args3);
update_closest(&tooltip, env_indices, glyphs, size, 0, fig1.texture.height + 2*SETTINGS_HEIGHT);
if (right_clicked) {
update_closest(&tooltip, env_indices, glyphs, size, 0, fig1.texture.height + 2*SETTINGS_HEIGHT);
}
plot_gl(glyphs, size, &shader);
draw_highlight(&tooltip, env_indices, glyphs, size, 0, fig1.texture.height + 2*SETTINGS_HEIGHT, &disp_x, &disp_y);

//draw_axes(args3);
EndTextureMode();
Expand Down Expand Up @@ -1422,7 +1467,10 @@ int main(void) {
}
apply_filter(filter, table, filter_param_1, fig_range1_min_val, fig_range1_max_val);
apply_filter(filter, table, filter_param_2, fig_range2_min_val, fig_range2_max_val);
boxplot(table, col, args4.scale[0], j, hyper_count, args4, color, filter);
bool has_highlight = tooltip.active && i == tooltip.env_idx;
float highlight_val = has_highlight ? table_get(table, tooltip.ary_idx, col) : 0.0f;
boxplot(table, col, args4.scale[0], j, hyper_count, args4, color, filter,
has_highlight, highlight_val);
}
}
EndBlendMode();
Expand Down Expand Up @@ -1596,16 +1644,16 @@ int main(void) {
if (tooltip.active) {
const char* text = TextFormat("%s\nscore = %f\ncost = %f\nsteps = %f", env_key, score, cost, steps);
Vector2 text_size = MeasureTextEx(args1.font_small, text, args1.axis_tick_font_size, 0);
float x = tooltip.x;
float y = tooltip.y;
float x = disp_x;
float y = disp_y;
if (x + text_size.x + 4 > GetScreenWidth()) {
x = x - text_size.x - 4;
}
if (y + text_size.y + 4 > GetScreenHeight()) {
y = y - text_size.y - 4;
}
DrawRectangle(x, y, text_size.x + 4, text_size.y + 4, PUFF_BACKGROUND);
DrawCircle(tooltip.x, tooltip.y, 2, PUFF_CYAN);
DrawCircle(disp_x, disp_y, 2, PUFF_CYAN);
DrawTextEx(args1.font_small, text, (Vector2){x + 2, y + 2}, args1.axis_tick_font_size, 0, WHITE);
}
EndDrawing();
Expand Down
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