picogl.backend.modern.core.mvp
Attributes
Functions
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compute_mvp_zoom_from_zoom |
|
compute_zoom_from_mvp_zoom |
|
invert_mvp_matrix |
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create_normalized_device_vector |
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normalize_device_coordinates |
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convert_to_world_coordinates |
Module Contents
- picogl.backend.modern.core.mvp.compute_mvp_zoom_from_zoom(zoom_value: float) float[source]
compute_mvp_zoom_from_zoom
- Parameters:
zoom_value – float
- Returns:
float
Compute the MVP zoom factor from a zoom value.
- picogl.backend.modern.core.mvp.compute_zoom_from_mvp_zoom(mvp_zoom: float) float[source]
compute_zoom_from_mvp_zoom
- Parameters:
mvp_zoom – float
- Returns:
float
- picogl.backend.modern.core.mvp.invert_mvp_matrix(projection: numpy.ndarray, model_view: numpy.ndarray) numpy.ndarray | None[source]
invert_mvp_matrix
- Parameters:
projection – 4x4 projection matrix
model_view – np.ndarray
- Returns:
np.ndarray
Compute inverse of MVP matrix
- picogl.backend.modern.core.mvp.create_normalized_device_vector(ndc_x: float, ndc_y: float, ndc_z: float) numpy.ndarray[source]
create_normalized_device_vector
- Parameters:
ndc_x – float normalized device x coordinate 0.0-1.0
ndc_y – float normalized device y coordinate 0.0-1.0
ndc_z – float normalized device z coordinate 0.0-1.0
- Returns:
np.ndarray normalized_device_vector
Create normalized device coordinate vector
- picogl.backend.modern.core.mvp.normalize_device_coordinates(depth, viewport, x, y)[source]
normalize_device_coordinates
- Parameters:
depth – float
viewport – np.ndarray
x – int
y – int
- Returns:
float, float, float
- picogl.backend.modern.core.mvp.convert_to_world_coordinates(inverse_mvp_matrix, normalized_device_vector)[source]
convert_to_world_coordinates
- Parameters:
inverse_mvp_matrix – np.ndarray inverse_mvp_matrix
normalized_device_vector – np.ndarray normalized_device_vector
- Returns:
np.ndarray world_coordinates