summaryrefslogtreecommitdiff
path: root/my_math.h
diff options
context:
space:
mode:
Diffstat (limited to 'my_math.h')
-rw-r--r--my_math.h762
1 files changed, 0 insertions, 762 deletions
diff --git a/my_math.h b/my_math.h
deleted file mode 100644
index af6beb1..0000000
--- a/my_math.h
+++ /dev/null
@@ -1,762 +0,0 @@
-#define PI 3.141592653589793238
-
-union v2
-{
- struct
- {
- real32 x, y;
- };
- real32 E[2];
-};
-
-union v2i
-{
- struct
- {
- int32 x, y;
- };
- int32 E[2];
-};
-
-union v3
-{
- struct
- {
- real32 r, g, b;
- };
- int32 E[3];
-};
-
-union v4
-{
- struct
- {
- real32 r, g, b, a;
- };
- real32 E[4];
-};
-
-inline v2 V2(real32 x, real32 y)
-{
- v2 Result;
-
- Result.x = x;
- Result.y = y;
-
- return(Result);
-}
-
-inline v2 V2(real32 x)
-{
- v2 Result;
-
- Result.x = x;
- Result.y = x;
-
- return(Result);
-}
-
-inline v2 V2(ImVec2 A)
-{
- v2 Result;
-
- Result.x = A.x;
- Result.y = A.y;
-
- return(Result);
-}
-
-inline ImVec2 V2(v2 A)
-{
- struct ImVec2 Result;
-
- Result.x = A.x;
- Result.y = A.y;
-
- return(Result);
-}
-
-inline v2i V2i(int32 x, int32 y)
-{
- v2i Result;
-
- Result.x = x;
- Result.y = y;
-
- return(Result);
-}
-
-inline v3 V3(real32 a)
-{
- v3 Result;
-
- Result.r = a;
- Result.g = a;
- Result.b = a;
-
- return(Result);
-}
-
-inline v4 V4(real32 r)
-{
- v4 Result;
-
- Result.r = r;
- Result.g = r;
- Result.b = r;
- Result.a = r;
-
- return(Result);
-}
-
-inline v4 powv4(v4 Col, real32 i)
-{
- v4 Result;
-
- Result.r = pow(Col.r, i);
- Result.g = pow(Col.g, i);
- Result.b = pow(Col.b, i);
- Result.a = pow(Col.a, i);
-
- return(Result);
-}
-
-inline v4 powv4(v4 Col, v4 i)
-{
- v4 Result;
-
- Result.r = pow(Col.r, i.r);
- Result.g = pow(Col.g, i.g);
- Result.b = pow(Col.b, i.b);
- Result.a = pow(Col.a, i.a);
-
- return(Result);
-}
-
-inline v4 V4(v3 r, real32 a)
-{
- v4 Result;
-
- Result.r = r.r;
- Result.g = r.g;
- Result.b = r.b;
- Result.a = a;
-
- return(Result);
-}
-
-inline v4 V4(real32 r, real32 g, real32 b, real32 a)
-{
- v4 Result;
-
- Result.r = r;
- Result.g = g;
- Result.b = b;
- Result.a = a;
-
- return(Result);
-}
-
-inline v4 ClipV4(v4 A)
-{
- v4 Result;
- if (A.r < 0.0f) {
- Result.r = 0.0f;
- } else if (A.r > 1.0f) {
- Result.r = 1.0f;
- } else {
- Result.r = A.r;
- }
-
- if (A.g < 0.0f) {
- Result.g = 0.0f;
- } else if (A.g > 1.0f) {
- Result.g = 1.0f;
- } else {
- Result.g = A.g;
- }
-
- if (A.b < 0.0f) {
- Result.b = 0.0f;
- } else if (A.b > 1.0f) {
- Result.b = 1.0f;
- } else {
- Result.b = A.b;
- }
-
- if (A.a < 0.0f) {
- Result.a = 0.0f;
- } else if (A.a > 1.0f) {
- Result.a = 1.0f;
- } else {
- Result.a = A.a;
- }
-
- return(Result);
-}
-
-
-v2i operator+(v2i A, v2i B)
-{
- v2i Result;
-
- Result.x = A.x + B.x;
- Result.y = A.y + B.y;
-
- return(Result);
-}
-
-v2 operator/(v2 A, real32 B)
-{
- v2 Result;
-
- Result.x = A.x / B;
- Result.y = A.y / B;
-
- return Result;
-}
-
-
-
-v4 operator+(v4 A, v4 B)
-{
- v4 Result;
-
- Result.r = A.r + B.r;
- Result.g = A.g + B.g;
- Result.b = A.b + B.b;
- Result.a = A.a + B.a;
-
- return(Result);
-}
-
-v4 operator-(v4 A, v4 B)
-{
- v4 Result;
-
- Result.r = A.r - B.r;
- Result.g = A.g - B.g;
- Result.b = A.b - B.b;
- Result.a = A.a - B.a;
-
- return(Result);
-}
-
-v4 operator-(real32 A, v4 B)
-{
- v4 Result;
-
- Result.r = A - B.r;
- Result.g = A - B.g;
- Result.b = A - B.b;
- Result.a = A - B.a;
-
- return(Result);
-}
-
-v4 operator-(v4 A, real32 B)
-{
- v4 Result;
-
- Result.r = A.r - B;
- Result.g = A.g - B;
- Result.b = A.b - B;
- Result.a = A.a - B;
-
- return(Result);
-}
-
-v4 operator*(v4 A, v4 B)
-{
- v4 Result;
-
- Result.r = A.r * B.r;
- Result.g = A.g * B.g;
- Result.b = A.b * B.b;
- Result.a = A.a * B.a;
-
- return(Result);
-}
-
-v4 operator/(v4 A, v4 B)
-{
- v4 Result;
-
- Result.r = A.r / B.r;
- Result.g = A.g / B.g;
- Result.b = A.b / B.b;
- Result.a = A.a / B.a;
-
- return(Result);
-}
-
-v4 operator/(real32 A, v4 B)
-{
- v4 Result;
-
- Result.r = A / B.r;
- Result.g = A / B.g;
- Result.b = A / B.b;
- Result.a = A / B.a;
-
- return(Result);
-}
-
-v4 operator*(v4 A, real32 B)
-{
- v4 Result;
-
- Result.r = A.r * B;
- Result.g = A.g * B;
- Result.b = A.b * B;
- Result.a = A.a * B;
-
- return(Result);
-}
-
-v4 operator*(real32 B, v4 A)
-{
- v4 Result;
-
- Result.r = A.r * B;
- Result.g = A.g * B;
- Result.b = A.b * B;
- Result.a = A.a * B;
-
- return(Result);
-}
-
-v2 operator-(v2 A, v2i B)
-{
- v2 Result;
-
- Result.x = A.x - (real32)B.x;
- Result.y = A.y - (real32)B.y;
-
- return(Result);
-}
-
-v2 operator/(v2 A, v2 B)
-{
- v2 Result;
-
- Result.x = A.x / B.x;
- Result.y = A.y / B.y;
-
- return(Result);
-}
-
-v2i operator-(v2i A, v2i B)
-{
- v2i Result;
-
- Result.x = A.x - B.x;
- Result.y = A.y - B.y;
-
- return(Result);
-}
-
-v2i operator-(v2i A, int16 B)
-{
- v2i Result;
-
- Result.x = A.x - B;
- Result.y = A.y - B;
-
- return(Result);
-}
-
-v2i operator+(v2i A, int16 B)
-{
- v2i Result;
-
- Result.x = A.x + B;
- Result.y = A.y + B;
-
- return(Result);
-}
-
-v2 operator*(real32 A, v2 B)
-{
- v2 Result;
-
- Result.x = A * B.x;
- Result.y = A * B.y;
-
- return(Result);
-}
-
-v2 operator*(v2 A, real32 B)
-{
- v2 Result;
-
- Result.x = A.x * B;
- Result.y = A.y * B;
-
- return(Result);
-}
-
-
-v2 operator-(v2 A, v2 B)
-{
- v2 Result;
-
- Result.x = A.x - B.x;
- Result.y = A.y - B.y;
-
- return(Result);
-}
-
-v2 operator-(v2 A, real32 B)
-{
- v2 Result;
-
- Result.x = A.x - B;
- Result.y = A.y - B;
-
- return(Result);
-}
-
-v2 operator-(v2 A)
-{
- v2 Result;
-
- Result.x = -A.x;
- Result.y = -A.y;
-
- return(Result);
-}
-
-v2 operator+(v2 A, v2 B)
-{
- v2 Result;
-
- Result.x = A.x + B.x;
- Result.y = A.y + B.y;
-
- return(Result);
-}
-
-v2 operator*(v2 A, v2 B)
-{
- v2 Result;
-
- Result.x = A.x * B.x;
- Result.y = A.y * B.y;
-
- return(Result);
-}
-
-struct rectangle
-{
- v2i Min;
- v2i Max;
-};
-
-inline real32
-Min(real32 A, real32 B)
-{
- return (A > B) ? B : A;
-}
-
-inline real32
-Max(real32 A, real32 B)
-{
- return (A > B) ? A : B;
-}
-
-inline bool32
-TestRectangle(rectangle Rect, v2i Test)
-{
- bool32 Result = (Test.x > Rect.Min.x && Test.x < Rect.Max.x &&
- Test.y > Rect.Min.y && Test.y < Rect.Max.y);
- return(Result);
-}
-
-inline bool32
-TestRectangle(ImVec2 Min, ImVec2 Max, ImVec2 Test)
-{
- bool32 Result = (Test.x > Min.x && Test.x < Max.x &&
- Test.y > Min.y && Test.y < Max.y);
- return(Result);
-}
-
-inline rectangle
-ClipRectangle(rectangle Rect, rectangle BoundRect)
-{
- if(Rect.Min.x < BoundRect.Min.x)
- {
- Rect.Min.x = BoundRect.Min.x;
- }
- if(Rect.Min.y < BoundRect.Min.y)
- {
- Rect.Min.y = BoundRect.Min.y;
- }
- if(Rect.Max.x > BoundRect.Max.x)
- {
- Rect.Max.x = BoundRect.Max.x;
- }
- if(Rect.Max.y > BoundRect.Max.y)
- {
- Rect.Max.y = BoundRect.Max.y;
- }
- return(Rect);
-}
-
-inline rectangle
-VerifyMinMax(rectangle Rect)
-{
- if(Rect.Min.x > Rect.Max.x)
- {
- int16 Temp = Rect.Max.x;
- Rect.Max.x = Rect.Min.x;
- Rect.Min.x = Temp;
- }
- if(Rect.Min.y > Rect.Max.y)
- {
- int16 Temp = Rect.Max.y;
- Rect.Max.y = Rect.Min.y;
- Rect.Min.y = Temp;
- }
- return(Rect);
-}
-
-inline int32
-RoundReal32ToInt32(real32 Real32)
-{
- int32 Result = (int32)(Real32 + 0.5f);
- return(Result);
-}
-
-inline uint32
-RoundReal32ToUint32(real32 Real32)
-{
- uint32 Result = (uint32)(Real32 + 0.5f);
- return(Result);
-}
-
-inline uint32
-ColToUint32(real32 B)
-{
- uint32 Result = ((RoundReal32ToUint32(1 * 255.0f) << 24) |
- (RoundReal32ToUint32(B * 255.0f) << 16) |
- (RoundReal32ToUint32(B * 255.0f) << 8) |
- (RoundReal32ToUint32(B * 255.0f) << 0));
- return Result;
-}
-
-inline uint32
-ColToUint32(v4 Col)
-{
- uint32 Result = ((RoundReal32ToUint32(Col.a * 255.0f) << 24) |
- (RoundReal32ToUint32(Col.r * 255.0f) << 16) |
- (RoundReal32ToUint32(Col.g * 255.0f) << 8) |
- (RoundReal32ToUint32(Col.b * 255.0f) << 0));
- return Result;
-}
-
-inline real32
-Square(real32 A)
-{
- real32 Result = A * A;
- return Result;
-}
-
-inline real32
-Inner(v2 A, v2 B)
-{
- real32 Result = A.x * B.x + A.y * B.y;
-
- return Result;
-}
-
-inline real32
-Inner(ImVec2 A, ImVec2 B)
-{
- real32 Result = A.x * B.x + A.y * B.y;
-
- return Result;
-}
-
-inline real32
-LengthSq(v2 A)
-{
- real32 Result = Inner(A, A);
- return Result;
-}
-
-inline uint32
-Floor(uint32 A, uint32 B)
-{
- if (A < B) {
- A = B;
- }
- return A;
-}
-
-inline uint32
-Ceil(uint32 A, uint32 B)
-{
- if (A > B) {
- A = B;
- }
- return A;
-}
-
-inline real32
-Floor(real32 A, real32 B)
-{
- if (A < B) {
- A = B;
- }
- return A;
-}
-
-inline real32
-Ceil(real32 A, real32 B)
-{
- if (A > B) {
- A = B;
- }
- return A;
-}
-
-inline bool32
-TestUV(v2 UV) {
- return (UV.x <= 1.0f && UV.x >= 0.0f && UV.y <= 1.0f && UV.y >= 0.0f);
-}
-
-inline real32
-Clamp(real32 A, real32 B, real32 C)
-{
- if (B < A) {
- B = A;
- }
- if (B > C) {
- B = C;
- }
- return B;
-}
-
-inline v4
-Clamp(real32 A, v4 B, real32 C)
-{
- B.r = Clamp(A, B.r, C);
- B.g = Clamp(A, B.g, C);
- B.b = Clamp(A, B.b, C);
- B.a = Clamp(A, B.a, C);
- return B;
-}
-
-
-
-inline v4
-Lerp(v4 A, real32 t, v4 B)
-{
- v4 Result = (1.0f - t)*A + t*B;
-
- return Result;
-}
-
-inline v4
-Uint32ToCol(uint32 LayerPixel)
-{
- uint8 A2 = (LayerPixel >> 24);
- uint8 R2 = (LayerPixel >> 16);
- uint8 G2 = (LayerPixel >> 8);
- uint8 B2 = (LayerPixel >> 0);
- v4 Color = {(real32)R2 / 255.0f,
- (real32)G2 / 255.0f,
- (real32)B2 / 255.0f,
- (real32)A2 / 255.0f};
- return Color;
-}
-
-inline v4
-Uint32ToCol8(uint32 LayerPixel)
-{
- uint8 A2 = (LayerPixel >> 24);
- uint8 R2 = (LayerPixel >> 16);
- uint8 G2 = (LayerPixel >> 8);
- uint8 B2 = (LayerPixel >> 0);
- v4 Color = {(real32)R2,
- (real32)G2,
- (real32)B2,
- (real32)A2};
- return Color;
-}
-
-inline v4
-Uint32ToNormalizedCol(uint32 LayerPixel)
-{
- uint8 A2 = (LayerPixel >> 24);
- uint8 R2 = (LayerPixel >> 16);
- uint8 G2 = (LayerPixel >> 8);
- uint8 B2 = (LayerPixel >> 0);
-
- real32 R = R2 / 255.0f;
- real32 G = G2 / 255.0f;
- real32 B = B2 / 255.0f;
- real32 A = A2 / 255.0f;
-
- v4 Result = {R,G,B,A};
-
- return Result;
-}
-
-inline real32
-Uint32ToNormalizedBW(uint32 LayerPixel)
-{
- uint8 R2 = (LayerPixel >> 16);
- uint8 G2 = (LayerPixel >> 8);
- uint8 B2 = (LayerPixel >> 0);
-
- real32 R = R2 / 255.0f;
- real32 G = G2 / 255.0f;
- real32 B = B2 / 255.0f;
-
- real32 Result = (R + G + B) / 3.0f;
-
- return Result;
-}
-
-inline uint32
-Col8ToUint32(v4 P)
-{
- uint8 A2 = P.a;
- uint8 R2 = P.r;
- uint8 G2 = P.g;
- uint8 B2 = P.b;
- uint32 Result = ((A2 << 24) |
- (R2 << 16) |
- (G2 << 8) |
- (B2 << 0));
- return Result;
-}
-
-
-inline uint8
-ClipAdd(uint8 a, uint8 b)
-{
- uint8 Result = 0;
- int16 exp = (int16)a + b;
- if (exp > 255) {
- Result = 255;
- } else if (exp < 0) {
- Result = 0;
- } else {
- Result = a + b;
- }
- return Result;
-}
-
-inline real32 Normalize(real32 A)
-{
- if (A > 1) {
- A = 1.0f;
- } else if (A < 0.0f) {
- A = 0.0f;
- }
- return A;
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-20 04:40:54 +0000