void Draw()
{
glClearColor(1.f, 1.f, 1.f, 1.f);
glClearDepth(1.f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
mat4 cameraMatrix = esgiLookAt(camera.position, camera.position + camera.target, vec3(0.0, 1.0, 0.0));
mat4 projectionMatrix = esgiPerspective(45, (float)((float)WINDOW_WIDTH/(float)WINDOW_HEIGHT), 0.01f, 10000.f);
mat4 viewMatrix = esgiMultiplyMatrix(cameraMatrix, esgiRotateY(camera.orientation.y));
mat4 modelviewMatrix;
mat4 worldMatrix;
modelviewMatrix.Identity();
worldMatrix.Identity();
modelviewMatrix = esgiMultiplyMatrix(viewMatrix, worldMatrix);
esgiUtilsDrawAxes(modelviewMatrix,projectionMatrix,1.f);
GLuint programObject = shader.GetProgram();
glUseProgram(programObject);
GLint position_attrib = glGetAttribLocation(programObject,"a_Position");
GLint color_uniform = glGetUniformLocation(programObject, "u_Color");
GLint texture_uniform = glGetUniformLocation(programObject, "u_UseTexture");
GLint depthHall_uniform = glGetUniformLocation(programObject, "u_DepthHole");
glUniform1f(depthHall_uniform, depthExplosion);
GLint viewUniform = glGetUniformLocation(programObject, "u_ViewMatrix");
glUniformMatrix4fv(viewUniform, 1, 0, &viewMatrix.I.x);
mat4 uniformMatrix = esgiRotateX(0);
GLint rotationUniform = glGetUniformLocation(programObject, "u_RotationMatrix");
glUniformMatrix4fv(rotationUniform, 1, 0, &uniformMatrix.I.x);
GLint projectionUniform = glGetUniformLocation(programObject, "u_ProjectionMatrix");
glUniformMatrix4fv(projectionUniform, 1, 0, &projectionMatrix.I.x);
worldMatrix.Identity();
worldMatrix.T.set(0.f, 0.f, 0.f, 1.f); // Translate sur l'axe z
GLint worldUnifrom = glGetUniformLocation(programObject, "u_WorldMatrix");
glUniformMatrix4fv(worldUnifrom, 1, 0, &worldMatrix.I.x);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, groundTextureIds[0]);
GLint textureUnit0 = glGetUniformLocation(programObject, "u_Texture1");
glUniform1i(textureUnit0, 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, groundTextureIds[1]);
GLint textureUnit1 = glGetUniformLocation(programObject, "u_Texture2");
glUniform1i(textureUnit1, 1);
glEnableVertexAttribArray(position_attrib);
objectManager.render(&position_attrib, &color_uniform, &texture_uniform);
glDisableVertexAttribArray(position_attrib);
//---------------= SKYBOX =--------------//
programObject = shaderSkybox.GetProgram();
glUseProgram(programObject);
position_attrib = glGetAttribLocation(programObject,"a_Position");
color_uniform = glGetUniformLocation(programObject, "u_Color");
glUniform4f(color_uniform,0.f, 0.f, 0.f, 1.f);
viewUniform = glGetUniformLocation(programObject, "u_ViewMatrix");
glUniformMatrix4fv(viewUniform, 1, 0, &viewMatrix.I.x);
rotationUniform = glGetUniformLocation(programObject, "u_RotationMatrix");
glUniformMatrix4fv(rotationUniform, 1, 0, &uniformMatrix.I.x);
GLuint uniformScale = glGetUniformLocation(programObject, "u_Scale");
glUniform1f(uniformScale, scale);
GLuint uniformFace = glGetUniformLocation(programObject, "u_Face");
projectionUniform = glGetUniformLocation(programObject, "u_ProjectionMatrix");
glUniformMatrix4fv(projectionUniform, 1, 0, &projectionMatrix.I.x);
worldMatrix.Identity();
worldMatrix.T.set(0.f, 0.f, 0.f, 1.f); // Translate sur l'axe z
worldUnifrom = glGetUniformLocation(programObject, "u_WorldMatrix");
glUniformMatrix4fv(worldUnifrom, 1, 0, &worldMatrix.I.x);
for(int i = 0; i < 6; ++i)
{
glVertexAttribPointer(position_attrib, 3, GL_FLOAT, false, 0, &skybox[i].getListOfVertices()->at(0).x);
glUniform1i(uniformFace, i);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, skyboxTextureIds[i]);
GLint textureUnit0 = glGetUniformLocation(programObject, "u_Texture");
glUniform1i(textureUnit0, 0);
glEnableVertexAttribArray(position_attrib);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
glDisableVertexAttribArray(position_attrib);
}
