187 lines
7.5 KiB
C++
187 lines
7.5 KiB
C++
Vec2 GetSize(Rect2 r) {
|
|
Vec2 result = {r.max.x - r.min.x, r.max.y - r.min.y};
|
|
return result;
|
|
}
|
|
|
|
Vec2 GetSizeF(Rect2I r) {
|
|
Vec2 result = {(float)(r.max.x - r.min.x), (float)(r.max.y - r.min.y)};
|
|
return result;
|
|
}
|
|
|
|
Vec2 ToVec2(Vec2I v) { return {(float)v.x, (float)v.y}; }
|
|
Vec2I ToVec2I(Vec2 v) { return {(Int)v.x, (Int)v.y}; }
|
|
Rect2I ToRect2I(Rect2 r) { return {ToVec2I(r.min), ToVec2I(r.max)}; }
|
|
Rect2 ToRect2(Rect2I r) { return {ToVec2(r.min), ToVec2(r.max)}; }
|
|
|
|
// clang-format off
|
|
Rect2 operator-(Rect2 r, Rect2 value) { return { {r.min.x - value.min.x, r.min.y - value.min.y}, {r.max.x - value.max.x, r.max.y - value.max.y} }; }
|
|
Rect2 operator+(Rect2 r, Rect2 value) { return { {r.min.x + value.min.x, r.min.y + value.min.y}, {r.max.x + value.max.x, r.max.y + value.max.y} }; }
|
|
Rect2 operator*(Rect2 r, Rect2 value) { return { {r.min.x * value.min.x, r.min.y * value.min.y}, {r.max.x * value.max.x, r.max.y * value.max.y} }; }
|
|
Rect2 operator/(Rect2 r, Rect2 value) { return { {r.min.x / value.min.x, r.min.y / value.min.y}, {r.max.x / value.max.x, r.max.y / value.max.y} }; }
|
|
|
|
Rect2 operator-(Rect2 r, Vec2 value) { return { {r.min.x - value.x, r.min.y - value.y}, {r.max.x - value.x, r.max.y - value.y} }; }
|
|
Rect2 operator+(Rect2 r, Vec2 value) { return { {r.min.x + value.x, r.min.y + value.y}, {r.max.x + value.x, r.max.y + value.y} }; }
|
|
Rect2 operator*(Rect2 r, Vec2 value) { return { {r.min.x * value.x, r.min.y * value.y}, {r.max.x * value.x, r.max.y * value.y} }; }
|
|
Rect2 operator/(Rect2 r, Vec2 value) { return { {r.min.x / value.x, r.min.y / value.y}, {r.max.x / value.x, r.max.y / value.y} }; }
|
|
Rect2 operator-(Vec2 value, Rect2 r) { return { {r.min.x - value.x, r.min.y - value.y}, {r.max.x - value.x, r.max.y - value.y} }; }
|
|
Rect2 operator+(Vec2 value, Rect2 r) { return { {r.min.x + value.x, r.min.y + value.y}, {r.max.x + value.x, r.max.y + value.y} }; }
|
|
Rect2 operator*(Vec2 value, Rect2 r) { return { {r.min.x * value.x, r.min.y * value.y}, {r.max.x * value.x, r.max.y * value.y} }; }
|
|
Rect2 operator/(Vec2 value, Rect2 r) { return { {r.min.x / value.x, r.min.y / value.y}, {r.max.x / value.x, r.max.y / value.y} }; }
|
|
|
|
Rect2 operator-(Rect2 r, float value) { return { {r.min.x - value, r.min.y - value}, {r.max.x - value, r.max.y - value} }; }
|
|
Rect2 operator+(Rect2 r, float value) { return { {r.min.x + value, r.min.y + value}, {r.max.x + value, r.max.y + value} }; }
|
|
Rect2 operator*(Rect2 r, float value) { return { {r.min.x * value, r.min.y * value}, {r.max.x * value, r.max.y * value} }; }
|
|
Rect2 operator/(Rect2 r, float value) { return { {r.min.x / value, r.min.y / value}, {r.max.x / value, r.max.y / value} }; }
|
|
Rect2 operator-(float value, Rect2 r) { return { {r.min.x - value, r.min.y - value}, {r.max.x - value, r.max.y - value} }; }
|
|
Rect2 operator+(float value, Rect2 r) { return { {r.min.x + value, r.min.y + value}, {r.max.x + value, r.max.y + value} }; }
|
|
Rect2 operator*(float value, Rect2 r) { return { {r.min.x * value, r.min.y * value}, {r.max.x * value, r.max.y * value} }; }
|
|
Rect2 operator/(float value, Rect2 r) { return { {r.min.x / value, r.min.y / value}, {r.max.x / value, r.max.y / value} }; }
|
|
|
|
Rect2 operator-=(Rect2 &r, Rect2 value) { r = r - value; return r; }
|
|
Rect2 operator+=(Rect2 &r, Rect2 value) { r = r + value; return r; }
|
|
Rect2 operator*=(Rect2 &r, Rect2 value) { r = r * value; return r; }
|
|
Rect2 operator/=(Rect2 &r, Rect2 value) { r = r / value; return r; }
|
|
Rect2 operator-=(Rect2 &r, Vec2 value) { r = r - value; return r; }
|
|
Rect2 operator+=(Rect2 &r, Vec2 value) { r = r + value; return r; }
|
|
Rect2 operator*=(Rect2 &r, Vec2 value) { r = r * value; return r; }
|
|
Rect2 operator/=(Rect2 &r, Vec2 value) { r = r / value; return r; }
|
|
Rect2 operator-=(Rect2 &r, float value) { r = r - value; return r; }
|
|
Rect2 operator+=(Rect2 &r, float value) { r = r + value; return r; }
|
|
Rect2 operator*=(Rect2 &r, float value) { r = r * value; return r; }
|
|
Rect2 operator/=(Rect2 &r, float value) { r = r / value; return r; }
|
|
|
|
bool operator==(Rect2 a, Rect2 b) {
|
|
bool result = a.min.x == b.min.x && a.min.y == b.min.y && a.max.x == b.max.x && a.max.y == b.max.y;
|
|
return result;
|
|
}
|
|
bool operator!=(Rect2 a, Rect2 b) {
|
|
bool result = !(a == b);
|
|
return result;
|
|
}
|
|
|
|
Vec2 operator-(Vec2 a, Vec2 b) { return {a.x - b.x, a.y - b.y}; }
|
|
Vec2 operator+(Vec2 a, Vec2 b) { return {a.x + b.x, a.y + b.y}; }
|
|
Vec2 operator*(Vec2 a, Vec2 b) { return {a.x * b.x, a.y * b.y}; }
|
|
Vec2 operator/(Vec2 a, Vec2 b) { return {a.x / b.x, a.y / b.y}; }
|
|
|
|
Vec2 operator-(Vec2 a, float b) { return {a.x - b, a.y - b}; }
|
|
Vec2 operator+(Vec2 a, float b) { return {a.x + b, a.y + b}; }
|
|
Vec2 operator*(Vec2 a, float b) { return {a.x * b, a.y * b}; }
|
|
Vec2 operator/(Vec2 a, float b) { return {a.x / b, a.y / b}; }
|
|
Vec2 operator-(float b, Vec2 a) { return {a.x - b, a.y - b}; }
|
|
Vec2 operator+(float b, Vec2 a) { return {a.x + b, a.y + b}; }
|
|
Vec2 operator*(float b, Vec2 a) { return {a.x * b, a.y * b}; }
|
|
Vec2 operator/(float b, Vec2 a) { return {a.x / b, a.y / b}; }
|
|
|
|
Vec2 operator-=(Vec2 &a, Vec2 b) { a = a - b; return a; }
|
|
Vec2 operator+=(Vec2 &a, Vec2 b) { a = a + b; return a; }
|
|
Vec2 operator*=(Vec2 &a, Vec2 b) { a = a * b; return a; }
|
|
Vec2 operator/=(Vec2 &a, Vec2 b) { a = a / b; return a; }
|
|
Vec2 operator-=(Vec2 &a, float b) { a = a - b; return a; }
|
|
Vec2 operator+=(Vec2 &a, float b) { a = a + b; return a; }
|
|
Vec2 operator*=(Vec2 &a, float b) { a = a * b; return a; }
|
|
Vec2 operator/=(Vec2 &a, float b) { a = a / b; return a; }
|
|
|
|
// clang-format on
|
|
|
|
Rect2 Rect0Size(float x, float y) {
|
|
Rect2 rect = {0, 0, x, y};
|
|
return rect;
|
|
}
|
|
|
|
Rect2 Rect2FromSize(Vec2 pos, Vec2 size) {
|
|
Rect2 result = {};
|
|
result.min = pos;
|
|
result.max = pos + size;
|
|
return result;
|
|
}
|
|
|
|
Rect2 Rect2MidHalf(Vec2 mid, Vec2 half_size) {
|
|
Rect2 result = {};
|
|
result.min = mid - half_size;
|
|
result.max = mid + half_size;
|
|
return result;
|
|
}
|
|
|
|
Rect2 Shrink(Rect2 result, float v) {
|
|
result.min.x += v;
|
|
result.max.x -= v;
|
|
result.min.y += v;
|
|
result.max.y -= v;
|
|
return result;
|
|
}
|
|
|
|
Rect2 ShrinkVertical(Rect2 result, float v) {
|
|
result.min.y += v;
|
|
result.max.y -= v;
|
|
return result;
|
|
}
|
|
|
|
Rect2 ShrinkHorizontal(Rect2 result, float v) {
|
|
result.min.x += v;
|
|
result.max.x -= v;
|
|
return result;
|
|
}
|
|
|
|
Vec2 GetMid(Rect2 r) {
|
|
Vec2 size = GetSize(r);
|
|
size.x /= 2.f;
|
|
size.y /= 2.f;
|
|
Vec2 result = r.min + size;
|
|
return result;
|
|
}
|
|
|
|
Rect2 CutLeft(Rect2 *r, float value) {
|
|
float minx = r->min.x;
|
|
r->min.x = Min(r->min.x + value, r->max.x);
|
|
Rect2 result = {
|
|
{ minx, r->min.y},
|
|
{r->min.x, r->max.y}
|
|
};
|
|
return result;
|
|
}
|
|
|
|
Rect2 CutRight(Rect2 *r, float value) {
|
|
float maxx = r->max.x;
|
|
r->max.x = Max(r->min.x, r->max.x - value);
|
|
Rect2 result = {
|
|
{r->max.x, r->min.y},
|
|
{ maxx, r->max.y},
|
|
};
|
|
return result;
|
|
}
|
|
|
|
// Y is up
|
|
Rect2 CutBottom(Rect2 *r, float value) {
|
|
float maxy = r->max.y;
|
|
r->max.y = Max(r->min.y, r->max.y - value);
|
|
Rect2 result = {
|
|
{r->min.x, r->max.y},
|
|
{r->max.x, maxy},
|
|
};
|
|
return result;
|
|
}
|
|
|
|
// Y is up
|
|
Rect2 CutTop(Rect2 *r, float value) {
|
|
float miny = r->min.y;
|
|
r->min.y = Min(r->min.y + value, r->max.y);
|
|
Rect2 result = {
|
|
{r->min.x, miny},
|
|
{r->max.x, r->min.y},
|
|
};
|
|
return result;
|
|
}
|
|
|
|
float SafeDivide(float a, float b) {
|
|
if (b == 0.f) {
|
|
return 0.f;
|
|
}
|
|
return a / b;
|
|
}
|
|
|
|
bool AreOverlapping(Vec2 point, Rect2 rec) {
|
|
bool result = (point.x >= rec.min.x) && (point.x < rec.max.x) && (point.y >= rec.min.y) && (point.y < rec.max.y);
|
|
return result;
|
|
}
|