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Enforce minimum angle of 10 degrees

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This commit is contained in:
Randall Winkhart
2026-08-06 23:53:37 -04:00
parent 40853df3f7
commit 2458680ebe
1 changed files with 3 additions and 8 deletions
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src/c/triangles.c
+3 -8
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@@ -61,13 +61,8 @@ TriangleLayer *triangle_layer_create(GRect frame, GColor color) {
// determine angles // determine angles
uint8_t r1, r2; uint8_t r1, r2;
do { do {
r1 = 1 + (rand() % 179); // 1–178 r1 = 10 + (rand() % 151); // 10–160 (angle_A ≥ 10)
r2 = 1 + (rand() % 179); // 1–178 r2 = (r1 + 10) + (rand() % (161 - r1)); // r1+10 … 170 (angles B,C ≥ 10)
if (r1 > r2) {
uint8_t tmp = r1;
r1 = r2;
r2 = tmp;
}
} while (r1 == 60 && r2 == 120); // ensure never equilateral } while (r1 == 60 && r2 == 120); // ensure never equilateral
tri->angle_A = r1; tri->angle_A = r1;
@@ -86,7 +81,7 @@ TriangleLayer *triangle_layer_create(GRect frame, GColor color) {
max_sin = sin_C; max_sin = sin_C;
// longest side randomly chosen // longest side randomly chosen
#define MIN_SIDE 20 #define MIN_SIDE 40
uint16_t max_side = (frame.size.w < frame.size.h) ? frame.size.w : frame.size.h; uint16_t max_side = (frame.size.w < frame.size.h) ? frame.size.w : frame.size.h;
max_side = max_side - 12; // basic margin max_side = max_side - 12; // basic margin
uint16_t largest_side = MIN_SIDE + (rand() % (max_side - MIN_SIDE + 1)); uint16_t largest_side = MIN_SIDE + (rand() % (max_side - MIN_SIDE + 1));