forgot stuff

1 files changed, 73 insertions, 0 deletions

diff --git a/src/world.cpp b/src/world.cpp
new file mode 100644
index 0000000..d2a15f7
--- /dev/null
+++ b/src/world.cpp
@@ -0,0 +1,73 @@
+#include <world.h>
+
+#define getWidth() (lineCount*HLINE)
+
+#define GEN_INC 10
+#define GRASS_HEIGHT 4
+
+World::World(unsigned int width){
+	unsigned int i;
+	float inc;
+	lineCount=width+GEN_INC;
+	line=(struct line_t *)calloc(lineCount,sizeof(struct line_t));	// allocate space for the array of lines
+	line[0].y=80;
+	for(i=GEN_INC;i<lineCount;i+=GEN_INC){
+		line[i].y=rand()%8-4+line[i-GEN_INC].y;
+		if(line[i].y<60)line[i].y=60;
+		if(line[i].y>110)line[i].y=110;
+	}
+	for(i=0;i<lineCount-GEN_INC;i++){
+		if(!i||!(i%GEN_INC)){
+			inc=(line[i+GEN_INC].y-line[i].y)/(float)GEN_INC;
+		}else{
+			line[i].y=line[i-1].y+inc;
+		}
+		line[i].color=rand()%20+130;
+	}
+	/*line[0].y=50;
+	for(i=1;i<lineCount-20;i++){
+		line[i].y=rand()%5-2+line[i-1].y;
+		if(line[i].y<30)line[i].y=30;
+	}*/
+}
+
+World::~World(void){
+	free(line);
+}
+
+void World::draw(vec2 *vec){
+	int i,ie,v_offset;
+	x_start=0-getWidth()/2+GEN_INC/2*HLINE;
+	v_offset=(vec->x-x_start)/HLINE;
+	i=v_offset-SCREEN_WIDTH/2;
+	if(i<0)i=0;
+	ie=v_offset+SCREEN_WIDTH/2;
+	if(ie>lineCount)ie=lineCount;
+	glBegin(GL_QUADS);
+		for(i=i;i<ie;i++){
+			glColor3ub(0,200,0);
+			glVertex2i(x_start+i*HLINE      ,line[i].y);
+			glVertex2i(x_start+i*HLINE+HLINE,line[i].y);
+			glVertex2i(x_start+i*HLINE+HLINE,line[i].y-GRASS_HEIGHT);
+			glVertex2i(x_start+i*HLINE		,line[i].y-GRASS_HEIGHT);
+			glColor3ub(line[i].color,line[i].color-50,line[i].color-100);
+			glVertex2i(x_start+i*HLINE      ,line[i].y-GRASS_HEIGHT);
+			glVertex2i(x_start+i*HLINE+HLINE,line[i].y-GRASS_HEIGHT);
+			glVertex2i(x_start+i*HLINE+HLINE,0);
+			glVertex2i(x_start+i*HLINE		,0);
+		}
+	glEnd();
+}
+
+void World::detect(vec2 *v,vec2 *vel,const float width){
+	unsigned int i;
+	i=(v->x+width/2-x_start)/HLINE;
+	if(v->y<=line[i].y){
+		vel->y=0;
+		v->y=line[i].y+HLINE/2;
+		return;
+	}else{
+		vel->y-=.05;
+		return;
+	}
+}