commit 70ca3428213d01206619c7685645e4382b73de23
Author: cfif <cham-zod@mail.ru>
Date:   Mon Jun 2 13:26:42 2025 +0300

    Init

diff --git a/Inc/vector.h b/Inc/vector.h
new file mode 100644
index 0000000..5736dc8
--- /dev/null
+++ b/Inc/vector.h
@@ -0,0 +1,83 @@
+/*
+ * vector.h
+ *
+ *  Created on: Mar 4, 2021
+ *      Author: zemon
+ */
+
+#ifndef VECTOR_H_
+#define VECTOR_H_
+
+#include "stdint.h"
+
+typedef struct {
+    double x;
+    double y;
+} vector2double;
+
+typedef struct {
+    float x;
+    float y;
+} vector2;
+
+typedef struct {
+    uint16_t x;
+    uint16_t y;
+    uint16_t z;
+} vector3uint16;
+
+typedef struct {
+    int16_t x;
+    int16_t y;
+    int16_t z;
+} vector3int16;
+
+typedef struct {
+    int32_t x;
+    int32_t y;
+    int32_t z;
+} vector3int32;
+
+typedef struct {
+    float x;
+    float y;
+    float z;
+} vector3;
+
+vector3 vector3Add(vector3 one, vector3 two);
+
+vector3 vector3Less(vector3 one, vector3 two);
+
+vector3 vector3DivNum(vector3 vec, float num);
+
+vector3 vector3MultiplyNum(vector3 vec, float num);
+
+float vector3Sum(vector3 vec);
+
+float vector3DotProduct(vector3 first, vector3 second);
+
+float vector3LenSquare(vector3 vec);
+
+float vector3Len(vector3 vec);
+
+vector3 vector3AbsVector(vector3 one);
+
+float vector3AngleCos(vector3 first, vector3 second);
+
+///!!!! VERY EXPENSIVE calculation
+float vector3Angle(vector3 first, vector3 second);
+
+vector3 vector3Projection(vector3 one, vector3 two);
+
+
+vector3int32 vector3Int32Less(vector3int32 one, vector3int32 two);
+
+vector3int32 vector3Int32Add(vector3int32 one, vector3int32 two);
+
+vector3int32 vector3Int32Div(vector3int32 vector, int32_t divider);
+
+vector3int16 vector3Int32toInt16(vector3int32 vector);
+
+vector3int32 vector3int32Abs(vector3int32 one);
+
+#endif /* VECTOR_H_ */
diff --git a/Src/vector.c b/Src/vector.c
new file mode 100644
index 0000000..56d8615
--- /dev/null
+++ b/Src/vector.c
@@ -0,0 +1,89 @@
+/*
+ * vector.c
+ *
+ *  Created on: Jun 1, 2021
+ *      Author: zemon
+ */
+
+#include "vector.h"
+#include "math.h"
+
+vector3 vector3Add(vector3 one, vector3 two) {
+    return (vector3) {one.x + two.x, one.y + two.y, one.z + two.z};
+}
+
+vector3 vector3Less(vector3 one, vector3 two) {
+    return (vector3) {one.x - two.x, one.y - two.y, one.z - two.z};
+}
+
+vector3 vector3DivNum(vector3 vec, float num) {
+    return (vector3) {vec.x / num, vec.y / num, vec.z / num};
+}
+
+vector3 vector3MultiplyNum(vector3 vec, float num) {
+    return (vector3) {vec.x * num, vec.y * num, vec.z * num};
+}
+
+float vector3Sum(vector3 vec) {
+    return vec.x + vec.y + vec.z;
+}
+
+float vector3DotProduct(vector3 first, vector3 second) {
+    return first.x * second.x + first.y * second.y + first.z * second.z;
+}
+
+float vector3LenSquare(vector3 vec) {
+    return vec.x * vec.x + vec.y * vec.y + vec.z * vec.z;
+}
+
+float vector3Len(vector3 vec) {
+    return sqrt(vector3LenSquare(vec));
+}
+
+
+float floatAbs(float value) {
+    return value >= 0 ? value : -1 * value;
+}
+
+vector3 vector3AbsVector(vector3 one) {
+    return (vector3) {floatAbs(one.x), floatAbs(one.y), floatAbs(one.z)};
+}
+
+float vector3AngleCos(vector3 first, vector3 second) {
+    return vector3DotProduct(first, second) / (vector3Len(first) * vector3Len(second));
+}
+
+///!!!! VERY EXPENSIVE calculation
+float vector3Angle(vector3 first, vector3 second) {
+    return acosf(vector3AngleCos(first, second));
+}
+
+vector3 vector3Projection(vector3 projector, vector3 receiver) {
+    return vector3MultiplyNum(receiver, vector3DotProduct(projector, receiver) / vector3DotProduct(receiver, receiver));
+}
+
+
+vector3int32 vector3Int32Less(vector3int32 one, vector3int32 two) {
+    return (vector3int32) {one.x - two.x, one.y - two.y, one.z - two.z};
+}
+
+vector3int32 vector3Int32Add(vector3int32 one, vector3int32 two) {
+    return (vector3int32) {one.x + two.x, one.y + two.y, one.z + two.z};
+}
+
+vector3int32 vector3Int32Div(vector3int32 vector, int32_t divider) {
+    return (vector3int32) {vector.x / divider, vector.y / divider, vector.z / divider};
+}
+
+vector3int16 vector3Int32toInt16(vector3int32 vector) {
+    return (vector3int16) {vector.x, vector.y, vector.z};
+}
+
+
+int32_t intAbs(int32_t value) {
+    return value >= 0 ? value : -1 * value;
+}
+
+vector3int32 vector3int32Abs(vector3int32 one) {
+    return (vector3int32) {intAbs(one.x), intAbs(one.y), intAbs(one.z)};
+}
diff --git a/modular.json b/modular.json
new file mode 100644
index 0000000..d4d574e
--- /dev/null
+++ b/modular.json
@@ -0,0 +1,12 @@
+{
+  "dep": [
+  ],
+  "cmake": {
+    "inc_dirs": [
+      "Inc"
+    ],
+    "srcs": [
+      "Src/**.c"
+    ]
+  }
+}
\ No newline at end of file