Support for background images :P

git-svn-id: svn://mattst88.com/svn/glpong3d/trunk@10 4dd1920e-271a-0410-bca0-81b404a81564

2 files changed, 24 insertions, 1 deletions

diff --git a/glpong3d.c b/glpong3d.c
index 26d09d9..b9aee6c 100644
--- a/glpong3d.c
+++ b/glpong3d.c
@@ -96,6 +96,11 @@ void GLPong_Init() {
 	printf("OpenGL Version:    %s\n", glGetString(GL_VERSION));

 	printf("OpenGL Extensions: %s\n", glGetString(GL_EXTENSIONS));

 	

+	temp = IMG_Load("background.jpg");

+	if (temp != NULL) {

+		background = SDL_GL_SurfaceToTexture(temp);

+	}

+	SDL_FreeSurface(temp);

 	temp = IMG_Load("128x128.png");

 	ball_texture = SDL_GL_SurfaceToTexture(temp);

 	SDL_FreeSurface(temp);	

@@ -163,7 +168,23 @@ void GLPong_HandleEvents() {
 

 void GLPong_Draw() {

 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

-

+	

+	glLoadIdentity();

+	if (background) {

+		glBindTexture(GL_TEXTURE_2D, background);

+		glEnable(GL_TEXTURE_2D);

+	} else {

+		glColor3f(0.0f, 0.0f, 0.0f);

+	}

+	glTranslatef(0.0f, 0.0f, -9.0f);

+	glBegin(GL_QUADS);	

+		glTexCoord2f(0.875f, 0.0f); glVertex2f( 1.5f,  1.0f);	/* Upper Right */

+		glTexCoord2f(0.125f, 0.0f); glVertex2f(-1.5f,  1.0f);	/* Upper Left  */

+		glTexCoord2f(0.125f, 1.0f); glVertex2f(-1.5f, -1.0f);	/* Lower Left */

+		glTexCoord2f(0.875f, 1.0f); glVertex2f( 1.5f, -1.0f);	/* Lower Right */	

+	glEnd();

+	glDisable(GL_TEXTURE_2D);

+	

 	glLoadIdentity();

 	glColor3f(0.0f, 1.0f, 0.0f);

 	

diff --git a/glpong3d.h b/glpong3d.h
index 27122ab..dad9526 100644
--- a/glpong3d.h
+++ b/glpong3d.h
@@ -7,6 +7,8 @@
 #include "ball.h"

 #include "paddle.h"

 

+GLuint background;

+

 typedef struct {

 	GLfloat x, y;

 } Mouse_t;