glm: fix pointer indexing warnings (#6215)
Nick Treleaven
GitHub
parent
995a5fed1f
commit
8e4ee54070
230
vlib/glm/glm.v
230
vlib/glm/glm.v
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@ -64,7 +64,7 @@ pub fn (m Mat4) str() string {
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s += ' '
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}
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for j in 0..4 {
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val := m.data[i * 4 + j]
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val := unsafe {m.data[i * 4 + j]}
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s += '${val:5.2f} '
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}
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if i != 3 {
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@ -141,16 +141,18 @@ pub fn translate(m Mat4, v Vec3) Mat4 {
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x := v.x
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y := v.y
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z := v.z
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a00 := a[0] a01 := a[1] a02 := a[2] a03 := a[3]
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a10 := a[4] a11 := a[5] a12 := a[6] a13 := a[7]
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a20 := a[8] a21 := a[9] a22 := a[10] a23 := a[11]
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out[0] = a00 out[1] = a01 out[2] = a02 out[3] = a03
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out[4] = a10 out[5] = a11 out[6] = a12 out[7] = a13
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out[8] = a20 out[9] = a21 out[10] = a22 out[11] = a23
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out[12] = a00 * x + a10 * y + a20 * z + a[12]
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out[13] = a01 * x + a11 * y + a21 * z + a[13]
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out[14] = a02 * x + a12 * y + a22 * z + a[14]
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out[15] = a03 * x + a13 * y + a23 * z + a[15]
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unsafe {
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a00 := a[0] a01 := a[1] a02 := a[2] a03 := a[3]
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a10 := a[4] a11 := a[5] a12 := a[6] a13 := a[7]
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a20 := a[8] a21 := a[9] a22 := a[10] a23 := a[11]
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out[0] = a00 out[1] = a01 out[2] = a02 out[3] = a03
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out[4] = a10 out[5] = a11 out[6] = a12 out[7] = a13
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out[8] = a20 out[9] = a21 out[10] = a22 out[11] = a23
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out[12] = a00 * x + a10 * y + a20 * z + a[12]
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out[13] = a01 * x + a11 * y + a21 * z + a[13]
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out[14] = a02 * x + a12 * y + a22 * z + a[14]
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out[15] = a03 * x + a13 * y + a23 * z + a[15]
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}
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return mat4(out)
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}
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@ -166,12 +168,14 @@ pub fn ortho(left, right, bottom, top f32) Mat4 {
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// mat<4, 4, T, defaultp> Result(static_cast<T>(1));
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n := 16
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mut res := f32_calloc(n)
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res[0] = 2.0 / (right - left)
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res[5] = 2.0 / (top - bottom)
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res[10] = 1.0
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res[12] = - (right + left) / (right - left)
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res[13] = - (top + bottom) / (top - bottom)
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res[15] = 1.0
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unsafe {
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res[0] = 2.0 / (right - left)
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res[5] = 2.0 / (top - bottom)
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res[10] = 1.0
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res[12] = - (right + left) / (right - left)
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res[13] = - (top + bottom) / (top - bottom)
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res[15] = 1.0
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}
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return mat4(res)
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}
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@ -181,13 +185,15 @@ pub fn ortho_zo(left, right, bottom, top, zNear, zFar f32) Mat4 {
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// mat<4, 4, T, defaultp> Result(static_cast<T>(1));
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n := 16
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mut res := f32_calloc(n)
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res[0] = 2.0 / (right - left)
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res[5] = 2.0 / (top - bottom)
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res[10] = 1.0
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res[12] = - (right + left) / (right - left)
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res[13] = - (top + bottom) / (top - bottom)
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res[14] = - zNear / (zFar - zNear)
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res[15] = 1.0
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unsafe {
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res[0] = 2.0 / (right - left)
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res[5] = 2.0 / (top - bottom)
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res[10] = 1.0
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res[12] = - (right + left) / (right - left)
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res[13] = - (top + bottom) / (top - bottom)
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res[14] = - zNear / (zFar - zNear)
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res[15] = 1.0
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}
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return mat4(res)
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}
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@ -198,22 +204,24 @@ pub fn scale(m Mat4, v Vec3) Mat4 {
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x := v.x
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y := v.y
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z := v.z
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out[0] = a[0] * v.x
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out[1] = a[1] * x
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out[2] = a[2] * x
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out[3] = a[3] * x
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out[4] = a[4] * y
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out[5] = a[5] * y
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out[6] = a[6] * y
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out[7] = a[7] * y
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out[8] = a[8] * z
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out[9] = a[9] * z
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out[10] = a[10] * z
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out[11] = a[11] * z
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out[12] = a[12]
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out[13] = a[13]
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out[14] = a[14]
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out[15] = a[15]
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unsafe {
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out[0] = a[0] * v.x
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out[1] = a[1] * x
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out[2] = a[2] * x
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out[3] = a[3] * x
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out[4] = a[4] * y
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out[5] = a[5] * y
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out[6] = a[6] * y
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out[7] = a[7] * y
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out[8] = a[8] * z
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out[9] = a[9] * z
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out[10] = a[10] * z
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out[11] = a[11] * z
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out[12] = a[12]
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out[13] = a[13]
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out[14] = a[14]
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out[15] = a[15]
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}
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return mat4(out)
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}
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@ -224,9 +232,11 @@ pub fn mult(a, b Mat4) Mat4 {
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for r in 0..4 {
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mut prod := f32(0)
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for c in 0..4 {
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prod += a.data[c*4+r] * b.data[i*4+c]
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prod += unsafe {a.data[c*4+r] * b.data[i*4+c]}
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}
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unsafe {
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out[i*4+r] = prod
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}
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out[i*4+r] = prod
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}
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}
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return mat4(out)
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@ -257,28 +267,29 @@ pub fn rotate(angle f32, axis Vec3, src Mat4) Mat4 {
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f22 := axis.z *axis.z * oneminusc + c
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data := src.data
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unsafe {
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t00 := data[0] * f00 + data[4] * f01 + data[8] * f02
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t01 := data[1] * f00 + data[5] * f01 + data[9] * f02
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t02 := data[2] * f00 + data[6] * f01 + data[10] * f02
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t03 := data[3] * f00 + data[7] * f01 + data[11] * f02
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t00 := data[0] * f00 + data[4] * f01 + data[8] * f02
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t01 := data[1] * f00 + data[5] * f01 + data[9] * f02
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t02 := data[2] * f00 + data[6] * f01 + data[10] * f02
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t03 := data[3] * f00 + data[7] * f01 + data[11] * f02
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t10 := data[0] * f10 + data[4] * f11 + data[8] * f12
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t11 := data[1] * f10 + data[5] * f11 + data[9] * f12
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t12 := data[2] * f10 + data[6] * f11 + data[10] * f12
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t13 := data[3] * f10 + data[7] * f11 + data[11] * f12
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t10 := data[0] * f10 + data[4] * f11 + data[8] * f12
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t11 := data[1] * f10 + data[5] * f11 + data[9] * f12
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t12 := data[2] * f10 + data[6] * f11 + data[10] * f12
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t13 := data[3] * f10 + data[7] * f11 + data[11] * f12
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mut dest := src.data
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mut dest := src.data
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dest[8] = data[0] * f20 + data[4] * f21 + data[8] * f22
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dest[9] = data[1] * f20 + data[5] * f21 + data[9] * f22
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dest[10] = data[2] * f20 + data[6] * f21 + data[10] * f22
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dest[11] = data[3] * f20 + data[7] * f21 + data[11] * f22
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dest[8] = data[0] * f20 + data[4] * f21 + data[8] * f22
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dest[9] = data[1] * f20 + data[5] * f21 + data[9] * f22
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dest[10] = data[2] * f20 + data[6] * f21 + data[10] * f22
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dest[11] = data[3] * f20 + data[7] * f21 + data[11] * f22
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dest[0] = t00 dest[1] = t01 dest[2] = t02 dest[3] = t03
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dest[4] = t10 dest[5] = t11 dest[6] = t12 dest[7] = t13
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dest[0] = t00 dest[1] = t01 dest[2] = t02 dest[3] = t03
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dest[4] = t10 dest[5] = t11 dest[6] = t12 dest[7] = t13
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return mat4(dest)
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return mat4(dest)
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}
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}
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// fn rotate_z(a *f32, rad f32) *f32 {
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@ -287,31 +298,33 @@ pub fn rotate_z(m Mat4, rad f32) Mat4 {
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mut out := f32_calloc(16)
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s := f32(math.sin(rad))
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c := f32(math.cos(rad))
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a00 := a[0]
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a01 := a[1]
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a02 := a[2]
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a03 := a[3]
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a10 := a[4]
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a11 := a[5]
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a12 := a[6]
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a13 := a[7]
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out[8] = a[8]
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out[9] = a[9]
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out[10] = a[10]
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out[11] = a[11]
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out[12] = a[12]
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out[13] = a[13]
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out[14] = a[14]
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out[15] = a[15]
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// Perform axis-specific matrix multiplication
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out[0] = a00 * c + a10 * s
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out[1] = a01 * c + a11 * s
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out[2] = a02 * c + a12 * s
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out[3] = a03 * c + a13 * s
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out[4] = a10 * c - a00 * s
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out[5] = a11 * c - a01 * s
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out[6] = a12 * c - a02 * s
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out[7] = a13 * c - a03 * s
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unsafe {
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a00 := a[0]
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a01 := a[1]
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a02 := a[2]
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a03 := a[3]
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a10 := a[4]
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a11 := a[5]
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a12 := a[6]
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a13 := a[7]
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out[8] = a[8]
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out[9] = a[9]
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out[10] = a[10]
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out[11] = a[11]
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out[12] = a[12]
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out[13] = a[13]
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out[14] = a[14]
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out[15] = a[15]
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// Perform axis-specific matrix multiplication
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out[0] = a00 * c + a10 * s
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out[1] = a01 * c + a11 * s
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out[2] = a02 * c + a12 * s
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out[3] = a03 * c + a13 * s
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out[4] = a10 * c - a00 * s
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out[5] = a11 * c - a01 * s
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out[6] = a12 * c - a02 * s
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out[7] = a13 * c - a03 * s
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}
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return mat4(out)
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}
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@ -322,10 +335,12 @@ pub fn identity() Mat4 {
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// 0 0 0 1
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n := 16
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mut res := f32_calloc(int(sizeof(f32)) * n)
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res[0] = 1
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res[5] = 1
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res[10] = 1
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res[15] = 1
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unsafe {
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res[0] = 1
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res[5] = 1
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res[10] = 1
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res[15] = 1
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}
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return mat4(res)
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}
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@ -357,25 +372,26 @@ fn ortho_js(left, right, bottom, top f32) &f32 {
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lr := 1.0 / (left - right)
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bt := 1.0 / (bottom - top)
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nf := f32(1.0) / 1.0// (mynear -myfar)
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mut out := &f32(0)
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unsafe { out = &f32( malloc (int(sizeof(f32) * 16))) }
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out[0] = -2.0 * lr
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out[1] = 0
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out[2] = 0
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out[3] = 0
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out[4] = 0
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out[5] = -2.0 * bt
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out[6] = 0
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out[7] = 0
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out[8] = 0
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out[9] = 0
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out[10] = 2.0 * nf
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out[11] = 0
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out[12] = (left + right) * lr
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out[13] = (top + bottom) * bt
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out[14] = 1.0 * nf//(far + near) * nf;
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out[15] = 1
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return out
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unsafe {
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mut out := &f32( malloc (int(sizeof(f32) * 16)))
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out[0] = -2.0 * lr
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out[1] = 0
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out[2] = 0
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out[3] = 0
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out[4] = 0
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out[5] = -2.0 * bt
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out[6] = 0
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out[7] = 0
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out[8] = 0
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out[9] = 0
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out[10] = 2.0 * nf
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out[11] = 0
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out[12] = (left + right) * lr
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out[13] = (top + bottom) * bt
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out[14] = 1.0 * nf//(far + near) * nf;
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out[15] = 1
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return out
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}
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//f := 0.0
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//return &f
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}
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