本文整理汇总了Golang中github.com/runningwild/mathgl.Mat4.Multiply方法的典型用法代码示例。如果您正苦于以下问题：Golang Mat4.Multiply方法的具体用法？Golang Mat4.Multiply怎么用？Golang Mat4.Multiply使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/runningwild/mathgl.Mat4的用法示例。
在下文中一共展示了Mat4.Multiply方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: Render
func Render(x, y, dx, dy float64) {
var run, op mathgl.Mat4
run.Identity()
op.Translation(float32(x), float32(y), 0)
run.Multiply(&op)
op.Scaling(float32(dx), float32(dy), 1)
run.Multiply(&op)
gl.PushMatrix()
gl.Enable(gl.TEXTURE_2D)
gl.MultMatrixf((*gl.Float)(&run[0]))
gl.CallList(textureList)
gl.PopMatrix()
}示例2: RenderAdvanced
func RenderAdvanced(x, y, dx, dy, rot float64, flip bool) {
setupTextureList()
if textureList == 0 {
return
}
var run, op mathgl.Mat4
run.Identity()
op.Translation(float32(x), float32(y), 0)
run.Multiply(&op)
op.Translation(float32(dx/2), float32(dy/2), 0)
run.Multiply(&op)
op.RotationZ(float32(rot))
run.Multiply(&op)
if flip {
op.Translation(float32(-dx/2), float32(-dy/2), 0)
run.Multiply(&op)
op.Scaling(float32(dx), float32(dy), 1)
run.Multiply(&op)
} else {
op.Translation(float32(dx/2), float32(-dy/2), 0)
run.Multiply(&op)
op.Scaling(float32(-dx), float32(dy), 1)
run.Multiply(&op)
}
gl.PushMatrix()
gl.MultMatrixf((*gl.Float)(&run[0]))
gl.Enable(gl.TEXTURE_2D)
gl.CallList(textureList)
gl.PopMatrix()
}示例3: render
//.........这里部分代码省略.........
new_state.room.dy = room.Size.Dy
if new_state != state {
wt.setupGlStuff(room.X, room.Y, room.Size.Dx, room.Size.Dy, &ids)
room.wall_texture_gl_map[wt] = ids
room.wall_texture_state_map[wt] = new_state
}
gl.LoadMatrixf(&floor[0])
if ids.vbuffer != 0 {
wt.Texture.Data().Bind()
R, G, B, A := wt.Color()
gl.ClientActiveTexture(gl.TEXTURE0)
gl.BindBuffer(gl.ARRAY_BUFFER, ids.vbuffer)
gl.VertexPointer(3, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.x)))
gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.u)))
gl.ClientActiveTexture(gl.TEXTURE1)
gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.los_u)))
gl.ClientActiveTexture(gl.TEXTURE0)
if ids.floor_buffer != 0 {
gl.StencilFunc(gl.ALWAYS, 2, 2)
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, ids.floor_buffer)
gl.Color4ub(R, G, B, A)
gl.DrawElements(gl.TRIANGLES, ids.floor_count, gl.UNSIGNED_SHORT, nil)
}
if ids.left_buffer != 0 {
gl.StencilFunc(gl.ALWAYS, 1, 1)
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, ids.left_buffer)
do_color(R, G, B, alphaMult(A, room.far_left.wall_alpha))
gl.DrawElements(gl.TRIANGLES, ids.left_count, gl.UNSIGNED_SHORT, nil)
}
if ids.right_buffer != 0 {
gl.StencilFunc(gl.ALWAYS, 1, 1)
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, ids.right_buffer)
do_color(R, G, B, alphaMult(A, room.far_right.wall_alpha))
gl.DrawElements(gl.TRIANGLES, ids.right_count, gl.UNSIGNED_SHORT, nil)
}
}
}
base.EnableShader("marble")
base.SetUniformI("marble", "tex2", 1)
base.SetUniformF("marble", "room_x", float32(room.X))
base.SetUniformF("marble", "room_y", float32(room.Y))
for _, door := range room.Doors {
door.setupGlStuff(room)
if door.threshold_glids.vbuffer == 0 {
continue
}
if door.AlwaysOpen() {
continue
}
if door.highlight_threshold {
gl.Color4ub(255, 255, 255, 255)
} else {
gl.Color4ub(128, 128, 128, 255)
}
gl.BindBuffer(gl.ARRAY_BUFFER, door.threshold_glids.vbuffer)
gl.VertexPointer(3, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.x)))
gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.u)))
gl.ClientActiveTexture(gl.TEXTURE1)
gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.los_u)))
gl.ClientActiveTexture(gl.TEXTURE0)
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, door.threshold_glids.floor_buffer)
gl.DrawElements(gl.TRIANGLES, door.threshold_glids.floor_count, gl.UNSIGNED_SHORT, nil)
}
base.EnableShader("")
if los_tex != nil {
base.EnableShader("")
gl.ActiveTexture(gl.TEXTURE1)
gl.Disable(gl.TEXTURE_2D)
gl.ActiveTexture(gl.TEXTURE0)
gl.ClientActiveTexture(gl.TEXTURE1)
gl.DisableClientState(gl.TEXTURE_COORD_ARRAY)
gl.ClientActiveTexture(gl.TEXTURE0)
}
run.Assign(&floor)
mul.Translation(float32(-room.X), float32(-room.Y), 0)
run.Multiply(&mul)
gl.LoadMatrixf(&run[0])
gl.StencilFunc(gl.EQUAL, 2, 3)
gl.StencilOp(gl.KEEP, gl.KEEP, gl.KEEP)
room_rect := image.Rect(room.X, room.Y, room.X+room.Size.Dx, room.Y+room.Size.Dy)
for _, fd := range floor_drawers {
x, y := fd.Pos()
dx, dy := fd.Dims()
if room_rect.Overlaps(image.Rect(x, y, x+dx, y+dy)) {
fd.RenderOnFloor()
}
}
do_color(255, 255, 255, 255)
gl.LoadIdentity()
gl.Disable(gl.STENCIL_TEST)
room.renderFurniture(floor, 255, drawables, los_tex)
gl.ClientActiveTexture(gl.TEXTURE1)
gl.Disable(gl.TEXTURE_2D)
gl.ClientActiveTexture(gl.TEXTURE0)
base.EnableShader("")
}