Differential D12734 Diff 42979 source/blender/blenlib/BLI_float2.hh

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source/blender/blenlib/BLI_float2.hh

Show First 20 Lines • Show All 78 Lines • ▼ Show 20 Lines	struct float2 {

float2 &operator-=(const float2 &other)		float2 &operator-=(const float2 &other)
{		{
x -= other.x;		x -= other.x;
y -= other.y;		y -= other.y;
return *this;		return *this;
}		}

		float2 &operator*=(const float2 &other)
		{
		x *= other.x;
		y *= other.y;
		return *this;
		}

float2 &operator*=(float factor)		float2 &operator*=(float factor)
{		{
x *= factor;		x *= factor;
y *= factor;		y *= factor;
return *this;		return *this;
}		}

		float2 &operator-=(float factor)
		{
		x -= factor;
		y -= factor;
		return *this;
		}

float2 &operator/=(float divisor)		float2 &operator/=(float divisor)
{		{
x /= divisor;		x /= divisor;
y /= divisor;		y /= divisor;
return *this;		return *this;
}		}

uint64_t hash() const		uint64_t hash() const
{		{
uint64_t x1 = reinterpret_cast<const uint32_t >(&x);		uint64_t x1 = reinterpret_cast<const uint32_t >(&x);
uint64_t x2 = reinterpret_cast<const uint32_t >(&y);		uint64_t x2 = reinterpret_cast<const uint32_t >(&y);
return (x1 * 812519) ^ (x2 * 707951);		return (x1 * 812519) ^ (x2 * 707951);
}		}

friend float2 operator+(const float2 &a, const float2 &b)		friend float2 operator+(const float2 &a, const float2 &b)
{		{
return {a.x + b.x, a.y + b.y};		return {a.x + b.x, a.y + b.y};
}		}

		friend float2 operator+(const float2 &a, const float &b)
		{
		return {a.x + b, a.y + b};
		}

friend float2 operator-(const float2 &a, const float2 &b)		friend float2 operator-(const float2 &a, const float2 &b)
{		{
return {a.x - b.x, a.y - b.y};		return {a.x - b.x, a.y - b.y};
}		}

		friend float2 operator-(const float2 &a, const float &b)
		{
		return {a.x - b, a.y - b};
		}

		friend float2 operator-(const float2 &a)
		{
		return {-a.x, -a.y};
		}

		friend float2 operator*(const float2 &a, const float2 &b)
		{
		return {a.x * b.x, a.y * b.y};
		}

friend float2 operator*(const float2 &a, float b)		friend float2 operator*(const float2 &a, float b)
{		{
return {a.x * b, a.y * b};		return {a.x * b, a.y * b};
}		}

		friend float2 operator/(const float2 &a, const float2 &b)
		{
		BLI_assert(b.x != 0.0f && b.y != 0.0f);
		return {a.x / b.x, a.y / b.y};
		}

friend float2 operator/(const float2 &a, float b)		friend float2 operator/(const float2 &a, float b)
{		{
BLI_assert(b != 0.0f);		BLI_assert(b != 0.0f);
return {a.x / b, a.y / b};		return {a.x / b, a.y / b};
}		}

friend float2 operator*(float a, const float2 &b)		friend float2 operator*(float a, const float2 &b)
{		{
Show All 16 Lines	static float2 interpolate(const float2 &a, const float2 &b, float t)
return a * (1 - t) + b * t;		return a * (1 - t) + b * t;
}		}

static float2 abs(const float2 &a)		static float2 abs(const float2 &a)
{		{
return float2(fabsf(a.x), fabsf(a.y));		return float2(fabsf(a.x), fabsf(a.y));
}		}

		static float2 floor(const float2 &a)
		{
		return float2(floorf(a.x), floorf(a.y));
		}

static float distance(const float2 &a, const float2 &b)		static float distance(const float2 &a, const float2 &b)
{		{
return (a - b).length();		return (a - b).length();
}		}

static float distance_squared(const float2 &a, const float2 &b)		static float distance_squared(const float2 &a, const float2 &b)
{		{
float2 diff = a - b;		float2 diff = a - b;
return float2::dot(diff, diff);		return float2::dot(diff, diff);
}		}

		static float2 safe_divide(const float2 &a, const float2 &b)
		{
		float2 result;
		result.x = (b.x == 0.0f) ? 0.0f : a.x / b.x;
		result.y = (b.y == 0.0f) ? 0.0f : a.y / b.y;
		return result;
		}

struct isect_result {		struct isect_result {
enum {		enum {
LINE_LINE_COLINEAR = -1,		LINE_LINE_COLINEAR = -1,
LINE_LINE_NONE = 0,		LINE_LINE_NONE = 0,
LINE_LINE_EXACT = 1,		LINE_LINE_EXACT = 1,
LINE_LINE_CROSS = 2,		LINE_LINE_CROSS = 2,
} kind;		} kind;
float lambda;		float lambda;
Show All 20 Lines