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Revert change to Perspective function

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Kyle De'Vir
2016-06-08 00:48:13 +10:00
parent b9c83866ff
commit 8a9bd47985
1 changed files with 5 additions and 3 deletions
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8
HandmadeMath.h
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@@ -773,8 +773,10 @@ HMM_Perspective(float FOV, float AspectRatio, float Near, float Far)
{
hmm_mat4 Result = HMM_Mat4d(1.0f);
Result.Elements[0][0] = 1.0f / (AspectRatio * tanf(FOV / 2.0f));
Result.Elements[1][1] = 1.0f / tanf(FOV / 2.0f);
float TanThetaOver2 = tanf(FOV / 2.0f);
Result.Elements[0][0] = 1.0f / (AspectRatio * TanThetaOver2);
Result.Elements[1][1] = 1.0f / TanThetaOver2;
Result.Elements[2][3] = -1.0f;
Result.Elements[2][2] = -(Far + Near) / (Far - Near);
Result.Elements[3][2] = -(2.0f * Far * Near) / (Far - Near);
@@ -804,7 +806,7 @@ HMM_Rotate(float Angle, hmm_vec3 Axis)
float CosTheta = cosf(HMM_ToRadians(Angle));
float CosValue = 1.0f - CosTheta;
Result.Elements[0][0] = (Axis.X * Axis.X * CosValue) + CosTheta;
Result.Elements[0][0] = (Axis.X * Axis.X * CosValue + CosTheta;
Result.Elements[0][1] = (Axis.X * Axis.Y * CosValue) - (Axis.Z * SinTheta);
Result.Elements[0][2] = (Axis.X * Axis.Z * CosValue) + (Axis.Y * SinTheta);