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Diffstat (limited to 'dep/src/g3dlite/Vector2.cpp')
| -rw-r--r-- | dep/src/g3dlite/Vector2.cpp | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/dep/src/g3dlite/Vector2.cpp b/dep/src/g3dlite/Vector2.cpp deleted file mode 100644 index ec0737c3755..00000000000 --- a/dep/src/g3dlite/Vector2.cpp +++ /dev/null @@ -1,224 +0,0 @@ -/** - @file Vector2.cpp - - 2D vector class, used for texture coordinates primarily. - - @maintainer Morgan McGuire, http://graphics.cs.williams.edu - - @cite Portions based on Dave Eberly'x Magic Software Library - at http://www.magic-software.com - - @created 2001-06-02 - @edited 2009-11-16 - */ - -#include "G3D/platform.h" -#include <stdlib.h> -#include "G3D/Vector2.h" -#include "G3D/g3dmath.h" -#include "G3D/format.h" -#include "G3D/BinaryInput.h" -#include "G3D/BinaryOutput.h" -#include "G3D/TextInput.h" -#include "G3D/TextOutput.h" -#include "G3D/Any.h" - -namespace G3D { - - -Vector2::Vector2(const Any& any) { - any.verifyName("Vector2"); - any.verifyType(Any::TABLE, Any::ARRAY); - any.verifySize(2); - - if (any.type() == Any::ARRAY) { - x = any[0]; - y = any[1]; - } else { - // Table - x = any["x"]; - y = any["y"]; - } -} - - -Vector2::operator Any() const { - Any any(Any::ARRAY, "Vector2"); - any.append(x, y); - return any; -} - - -const Vector2& Vector2::one() { - static const Vector2 v(1, 1); return v; -} - - -const Vector2& Vector2::zero() { - static Vector2 v(0, 0); - return v; -} - -const Vector2& Vector2::unitX() { - static Vector2 v(1, 0); - return v; -} - -const Vector2& Vector2::unitY() { - static Vector2 v(0, 1); - return v; -} - -const Vector2& Vector2::inf() { - static Vector2 v((float)G3D::finf(), (float)G3D::finf()); - return v; -} - - -const Vector2& Vector2::nan() { - static Vector2 v((float)G3D::fnan(), (float)G3D::fnan()); - return v; -} - - -const Vector2& Vector2::minFinite() { - static Vector2 v(-FLT_MAX, -FLT_MAX); - return v; -} - - -const Vector2& Vector2::maxFinite() { - static Vector2 v(FLT_MAX, FLT_MAX); - return v; -} - - -size_t Vector2::hashCode() const { - unsigned int xhash = (*(int*)(void*)(&x)); - unsigned int yhash = (*(int*)(void*)(&y)); - - return xhash + (yhash * 37); -} - - -Vector2::Vector2(BinaryInput& b) { - deserialize(b); -} - - -void Vector2::deserialize(BinaryInput& b) { - x = b.readFloat32(); - y = b.readFloat32(); -} - - -void Vector2::serialize(BinaryOutput& b) const { - b.writeFloat32(x); - b.writeFloat32(y); -} - - -void Vector2::deserialize(TextInput& t) { - t.readSymbol("("); - x = (float)t.readNumber(); - t.readSymbol(","); - y = (float)t.readNumber(); - t.readSymbol(")"); -} - - -void Vector2::serialize(TextOutput& t) const { - t.writeSymbol("("); - t.writeNumber(x); - t.writeSymbol(","); - t.writeNumber(y); - t.writeSymbol(")"); -} - -//---------------------------------------------------------------------------- - -Vector2 Vector2::random(G3D::Random& r) { - Vector2 result; - - do { - result = Vector2(r.uniform(-1, 1), r.uniform(-1, 1)); - - } while (result.squaredLength() >= 1.0f); - - result.unitize(); - - return result; -} - - -Vector2 Vector2::operator/ (float k) const { - return *this * (1.0f / k); -} - -Vector2& Vector2::operator/= (float k) { - this->x /= k; - this->y /= k; - return *this; -} - -//---------------------------------------------------------------------------- -float Vector2::unitize (float fTolerance) { - float fLength = length(); - - if (fLength > fTolerance) { - float fInvLength = 1.0f / fLength; - x *= fInvLength; - y *= fInvLength; - } else { - fLength = 0.0; - } - - return fLength; -} - -//---------------------------------------------------------------------------- - -std::string Vector2::toString() const { - return G3D::format("(%g, %g)", x, y); -} - -// 2-char swizzles - -Vector2 Vector2::xx() const { return Vector2 (x, x); } -Vector2 Vector2::yx() const { return Vector2 (y, x); } -Vector2 Vector2::xy() const { return Vector2 (x, y); } -Vector2 Vector2::yy() const { return Vector2 (y, y); } - -// 3-char swizzles - -Vector3 Vector2::xxx() const { return Vector3 (x, x, x); } -Vector3 Vector2::yxx() const { return Vector3 (y, x, x); } -Vector3 Vector2::xyx() const { return Vector3 (x, y, x); } -Vector3 Vector2::yyx() const { return Vector3 (y, y, x); } -Vector3 Vector2::xxy() const { return Vector3 (x, x, y); } -Vector3 Vector2::yxy() const { return Vector3 (y, x, y); } -Vector3 Vector2::xyy() const { return Vector3 (x, y, y); } -Vector3 Vector2::yyy() const { return Vector3 (y, y, y); } - -// 4-char swizzles - -Vector4 Vector2::xxxx() const { return Vector4 (x, x, x, x); } -Vector4 Vector2::yxxx() const { return Vector4 (y, x, x, x); } -Vector4 Vector2::xyxx() const { return Vector4 (x, y, x, x); } -Vector4 Vector2::yyxx() const { return Vector4 (y, y, x, x); } -Vector4 Vector2::xxyx() const { return Vector4 (x, x, y, x); } -Vector4 Vector2::yxyx() const { return Vector4 (y, x, y, x); } -Vector4 Vector2::xyyx() const { return Vector4 (x, y, y, x); } -Vector4 Vector2::yyyx() const { return Vector4 (y, y, y, x); } -Vector4 Vector2::xxxy() const { return Vector4 (x, x, x, y); } -Vector4 Vector2::yxxy() const { return Vector4 (y, x, x, y); } -Vector4 Vector2::xyxy() const { return Vector4 (x, y, x, y); } -Vector4 Vector2::yyxy() const { return Vector4 (y, y, x, y); } -Vector4 Vector2::xxyy() const { return Vector4 (x, x, y, y); } -Vector4 Vector2::yxyy() const { return Vector4 (y, x, y, y); } -Vector4 Vector2::xyyy() const { return Vector4 (x, y, y, y); } -Vector4 Vector2::yyyy() const { return Vector4 (y, y, y, y); } - - - -} // namespace |