def place(self):
"""
Place light on engine.
:return:
"""
if not self._enabled or self._shader is None:
return
_glUseProgram(self._shader.shaderProgram)
_glUniform3f(
_glGetUniformLocation(self._shader.shaderProgram, 'lightColor'),
self._color[0], self._color[1], self._color[2])
_glUniform3f(
_glGetUniformLocation(self._shader.shaderProgram, 'lightPos'),
self._position[0], self._position[1], self._position[2])
_glUniform1ui(
_glGetUniformLocation(self._shader.shaderProgram, 'shininess'),
self._shininess)
_glUniform1f(
_glGetUniformLocation(self._shader.shaderProgram,
'constantAttenuation'), self._cAtt)
_glUniform1f(
_glGetUniformLocation(self._shader.shaderProgram,
'linearAttenuation'), self._lAtt)
_glUniform1f(
_glGetUniformLocation(self._shader.shaderProgram,
'quadraticAttenuation'), self._qAtt)
def draw(self, view=None, projection=None, mode=None, shader=None, usemodel=True):
"""
Draw model.
:param view:
:param projection:
:param mode:
:param shader:
:param usemodel:
:return:
"""
if not self._enabled:
return
if mode is None:
if self._drawMode is None:
mode = _GL_POLYGON
else:
mode = self._drawMode
if shader is None:
if self._shader is None:
raise Exception('MergedShape shader is not set')
shader = self._shader
_glUseProgram(shader.shaderProgram)
if usemodel and shader.keyModel != '':
_glUniformMatrix4fv(_glGetUniformLocation(shader.shaderProgram, shader.keyModel), 1, _GL_TRUE, self._model)
if projection is not None and shader.keyProjection != '':
_glUniformMatrix4fv(_glGetUniformLocation(shader.shaderProgram, shader.keyProjection), 1, _GL_TRUE,
projection)
if view is not None and shader.keyView != '':
_glUniformMatrix4fv(_glGetUniformLocation(shader.shaderProgram, shader.keyView), 1, _GL_TRUE, view)
for i in self._shapes:
shader.draw_shape(i, mode)
if self._modelPrev is not None:
self._model = self._modelPrev
self._modelPrev = None
def draw(self,
view,
projection,
mode=_GL_TRIANGLES,
shader=None,
usemodel=True):
"""
Draw model.
:param view:
:param projection:
:param mode:
:param shader:
:param usemodel:
:return:
"""
if not self._enabled:
return
if mode is None:
mode = _GL_POLYGON
if shader is None:
if self._shader is None:
raise Exception('MergedShape shader is not set')
shader = self._shader
_glUseProgram(shader.shaderProgram)
if usemodel:
_glUniformMatrix4fv(
_glGetUniformLocation(shader.shaderProgram, 'model'), 1,
_GL_TRUE, self._model)
_glUniformMatrix4fv(
_glGetUniformLocation(shader.shaderProgram, 'projection'), 1,
_GL_TRUE, projection)
_glUniformMatrix4fv(
_glGetUniformLocation(shader.shaderProgram, 'view'), 1, _GL_TRUE,
view)
for i in self._shapes:
shader.drawShape(i, mode)
if self._modelPrev is not None:
self._model = self._modelPrev
self._modelPrev = None