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Update Breakout code for 'Setting up' chapter.

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This commit is contained in:
Joey de Vries
2020-04-22 16:35:13 +02:00
parent 599355fba8
commit e046977ffb
5 changed files with 16 additions and 8 deletions
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13
src/7.in_practice/3.2d_game/0.full_source/program.cpp
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@@ -15,6 +15,7 @@
#include <iostream>
// GLFW function declerations
void framebuffer_size_callback(GLFWwindow* window, int width, int height);
void key_callback(GLFWwindow* window, int key, int scancode, int action, int mode);
// The Width of the screen
@@ -30,6 +31,9 @@ int main(int argc, char *argv[])
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#ifdef __APPLE__
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
#endif
glfwWindowHint(GLFW_RESIZABLE, false);
GLFWwindow* window = glfwCreateWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "Breakout", nullptr, nullptr);
@@ -44,11 +48,11 @@ int main(int argc, char *argv[])
}
glfwSetKeyCallback(window, key_callback);
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
// OpenGL configuration
// --------------------
glViewport(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
glEnable(GL_CULL_FACE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@@ -114,4 +118,11 @@ void key_callback(GLFWwindow* window, int key, int scancode, int action, int mod
Breakout.KeysProcessed[key] = false;
}
}
}
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
// make sure the viewport matches the new window dimensions; note that width and
// height will be significantly larger than specified on retina displays.
glViewport(0, 0, width, height);
}