func (this *Window) reshape(w, h int) {
gl.Viewport(0, 0, w, h)
ratio := Double(w) / Double(h)
var znear, zfar, fovx Double = 0.01, 65536.0, 80.0
this.projectionMatrix = mat4.Projection(fovx.ToRad(), ratio, znear, zfar)
if globals.UseShader {
program.SetProjectionMatrix(this.projectionMatrix)
program.SetFarClipplane(zfar)
}
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.LoadMatrixd(this.projectionMatrix.Ptr())
gl.MatrixMode(gl.MODELVIEW)
}
func (this *Window) reshape(w, h int) {
gl.Viewport(0, 0, w, h)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
ratio := float64(w) / float64(h)
znear, zfar, fovx := 0.01, 65536.0, 80.0
/*var top, bottom, left, right float64
right = znear * math.Tan(DegToRad(.5*fovx))
left = -right
top = right/ratio
bottom = -top
gl.Frustum(left,right,bottom,top,znear, zfar)//*/
this.projectionMatrix = mat4.Projection(DegToRad(fovx), ratio, znear, zfar)
gl.LoadMatrixd(this.projectionMatrix.Ptr())
gl.MatrixMode(gl.MODELVIEW)
}
func GlLoadMat4(m *mat4.Mat4) { gl.LoadMatrixd(m.Ptr()) }
func (m *Mat4) GlLoad() { gl.LoadMatrixd(m.Ptr()) }