MADE GRASS, also cow pov works and cow movement works :D
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parent
da1a25ddfc
commit
02117f4354
4 changed files with 137 additions and 37 deletions
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@ -9,7 +9,7 @@ Code here is published under the [AGPL-v3](https://www.gnu.org/licenses/agpl-3.0
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- Add menu - partially done
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- Adjust ambient light
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- Allow changing the move/rotation speed(or just a multiplier)
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- Create a cow
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- Create a cow - IM SO BAD AT IT IM SO SORRY COWS
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- Head
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- Tail
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- Body
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@ -18,13 +18,11 @@ Code here is published under the [AGPL-v3](https://www.gnu.org/licenses/agpl-3.0
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- Nose
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- Eyes
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- Allow user control of the cow
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- Movement - turn and move - WIP
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- Head
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- Tail
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- Legs? (optional)
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- Change camera position to be cow point of view
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- Change camera position to be cow point of view - DONE, need to do the sub thing
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- Add popping-floating text of funny cow thoughts
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- Add multiple objects(that is not the cow)
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- Add multiple objects(that is not the cow)(is grass an object?)
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- at least 3
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- on needs to be metalic
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- User controlled light source
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97
cow.c
97
cow.c
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@ -6,7 +6,7 @@
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#include <math.h>
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#include <stdio.h>
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vec3 headRot;
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vec3 headRot = { -30.0, 0.0, 0.0 };
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const vec3 headLimit = { 90.0, 90.0 ,90.0 };
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vec3 cowPos = { 0.0, 6.0, 0.0 };
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@ -20,16 +20,20 @@ float deg2rad(float deg) {
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return deg * 3.14 / 180.0;
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}
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float addAndWrapRot(float rot, float add) {
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rot += add;
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if(rot > 180.0) { rot -= 360.0; }
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else if(rot < -180.0) { rot += 360.0; }
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return rot;
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}
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void cowMove(char c) {
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// check for rotations
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cowRot += ((c == 'e') - (c == 'q')) * COW_ROT_SPEED;
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if(cowRot > 180.0) { cowRot -= 360.0; }
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else if(cowRot < -180.0) { cowRot += 360.0; }
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printf("rot: %f\n", cowRot);
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cowRot = addAndWrapRot(cowRot, ((c == 'e') - (c == 'q')) * COW_ROT_SPEED);
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// movement
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vec3 dir = vec3_new((c == 'd') - (c == 'a'), 0.0, (c == 'w') - (c == 's'));
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vec3 dir = vec3_new((c == 'a') - (c == 'd'), 0.0, (c == 'w') - (c == 's'));
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vec3 r = vec3_splat(0.0);
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float rot = deg2rad(cowRot);
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float rot = -deg2rad(cowRot);
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r.z = cosf(rot) * dir.z + sinf(rot) * dir.x;
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r.x = -sinf(rot) * dir.z + cosf(rot) * dir.x;
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@ -37,30 +41,61 @@ void cowMove(char c) {
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glutPostRedisplay();
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}
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void drawCow() {
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void cowHead(char c) {
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headRot.z = addAndWrapRot(headRot.z, ((c == 'e') - (c == 'q')) * COW_ROT_SPEED);
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headRot.y = addAndWrapRot(headRot.y, ((c == 'a') - (c == 'd')) * COW_ROT_SPEED);
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headRot.x = addAndWrapRot(headRot.x, ((c == 's') - (c == 'w')) * COW_ROT_SPEED);
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glutPostRedisplay();
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}
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void drawCow(char cowsPOV) {
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glMatrixMode(GL_MODELVIEW);
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glEnable(GL_COLOR_MATERIAL);
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glPushMatrix();
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glPushMatrix(); // cow pos
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// Main cow position - as center of cow body
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glTranslatef(cowPos.x, cowPos.y, cowPos.z);
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glRotatef(cowRot, 0.0, 1.0, 0.0);
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// Draw cow body
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glPushMatrix();
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glPushMatrix(); // cow body scale
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glColor3f(0.8,0.4,0.11);
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glScalef(1.0, 1.0, 1.5);
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glutSolidSphere(4.0, 16, 16);
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glPopMatrix();
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// head
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glPushMatrix();
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glTranslatef(0.0, 0.0, 5.0);
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glRotatef(headRot.y, 0.0, 1.0, 0.0);
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glRotatef(headRot.x, 1.0, 0.0, 0.0);
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glTranslatef(0.0, 0.0, 1.0);
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glRotatef(headRot.z, 0.0, 0.0 ,1.0);
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glutSolidSphere(2.0, 16, 16);
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glPopMatrix();
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glPopMatrix();
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glPopMatrix(); // cow body scale
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if(!cowsPOV) {
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// head
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glPushMatrix(); // head center
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glTranslatef(0.0, 1.0, 5.0);
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glRotatef(headRot.y, 0.0, 1.0, 0.0);
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glRotatef(headRot.x, 1.0, 0.0, 0.0);
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glTranslatef(0.0, 0.0, 1.0);
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glRotatef(headRot.z, 0.0, 0.0 ,1.0);
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glutSolidSphere(2.0, 16, 16);
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vec3 ePos = vec3_new(0.7, 0.8, 1.3);
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vec3 pPos = vec3_new(0.0, 0.2, 0.5);
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glPushMatrix(); // eye 1
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glTranslatef(ePos.x, ePos.y, ePos.z);
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glColor3f(1.0, 1.0, 1.0);
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glutSolidSphere(0.5, 8, 8);
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glPushMatrix(); // pupil 1
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glTranslatef(pPos.x, pPos.y, pPos.z);
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glColor3f(0.0, 0.0, 0.0);
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glutSolidSphere(0.1, 8, 8);
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glPopMatrix(); // pupil 1
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glPopMatrix(); // eye 1
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glPushMatrix(); // eye 2
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glTranslatef(-ePos.x, ePos.y, ePos.z);
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glColor3f(1.0, 1.0, 1.0);
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glutSolidSphere(0.5, 8, 8);
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glPushMatrix(); // pupil 2
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glTranslatef(pPos.x, pPos.y, pPos.z);
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glColor3f(0.0, 0.0, 0.0);
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glutSolidSphere(0.1, 8, 8);
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glPopMatrix(); // pupil 2
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glPopMatrix(); // eye 2
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glPopMatrix(); // head center
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}
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glPopMatrix(); // cow pos
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glColor3f(1.0, 1.0, 1.0);
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glDisable(GL_COLOR_MATERIAL);
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}
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void onCowKeyboardInput(char key) {
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@ -68,6 +103,8 @@ void onCowKeyboardInput(char key) {
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case COW_CONTROL_MOVE:
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cowMove(key);
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break;
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case COW_CONTROL_HEAD:
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cowHead(key);
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default:
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break;
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}
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@ -76,3 +113,19 @@ void onCowKeyboardInput(char key) {
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void updateCowControl(enum COW_CONTROL c) {
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control = c;
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}
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void setCameraToCowPOV() {
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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// rotate to look at Z+
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glRotatef(180.0, 0.0, 1.0, 0.0);
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// head
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glRotatef(-headRot.z, 0.0, 0.0 ,1.0);
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glTranslatef(0.0, 0.0, -1.0);
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glRotatef(-headRot.x, 1.0, 0.0, 0.0);
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glRotatef(-headRot.y, 0.0, 1.0, 0.0);
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glTranslatef(0.0, 0.0, -5.0);
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// body
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glTranslatef(-cowPos.x, -cowPos.y, -cowPos.z);
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glRotatef(-cowRot, 0.0, 1.0, 0.0);
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}
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3
cow.h
3
cow.h
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@ -11,8 +11,9 @@ enum COW_CONTROL {
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COW_CONTROL_NONE
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};
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void drawCow();
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void drawCow(char cowsPOV);
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void onCowKeyboardInput(char key);
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void updateCowControl(enum COW_CONTROL control);
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void setCameraToCowPOV();
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#endif
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66
mmn_17.c
66
mmn_17.c
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@ -5,6 +5,7 @@
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#include <GL/glu.h>
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#include <stdio.h>
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#include <math.h>
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#include <stdlib.h>
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#include "ui.h"
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#include "grass_texture_color.h"
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#include "help.h"
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@ -15,21 +16,48 @@
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// Camera rotation and stuff
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float camRadius = 40.0;
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vec3 camCenter = { 0.0, 0.0, 0.0 };
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vec3 camRot = { -PI * 0.125, 0.0, 0.0 };
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vec3 camRot = { -PI * 0.25, PI, 0.0 };
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struct {
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unsigned char lockYMovement: 1;
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unsigned char showHelp: 1;
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unsigned char cowsPOV: 1;
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GLenum textureFilter;
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} settings = {
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0, 0, GL_NEAREST,
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0, 0, 0, GL_NEAREST,
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};
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struct {
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int main;
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int cowControl;
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int filters;
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} menus; // to simply hold the menues in a labed manner
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GLuint grassList = -1;
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void generateGrassVertexList() {
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grassList = glGenLists(1);
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glNewList(grassList, GL_COMPILE);
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glDisable(GL_CULL_FACE);
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for(float x = -50.0; x < 50.0; x += 1.0) {
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for(float z = -50.0; z < 50.0; z += 1.0) {
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glPushMatrix();
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glTranslatef(x, 0.0, z);
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glRotatef(rand() % 360, 0.0, 1.0, 0.0);
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glBegin(GL_TRIANGLES);
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glVertex3f(0.0, 0.0, 0.0);
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glVertex3f(0.5, 0.0, 0.0);
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glVertex3f(0.0, 1.5, 0.0);
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glVertex3f(0.0, 0.0, 0.0);
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glVertex3f(0.0, 0.0, 0.5);
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glVertex3f(0.0, 1.5, 0.0);
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glEnd();
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glPopMatrix();
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}
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}
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glEnable(GL_CULL_FACE);
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glEndList();
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}
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vec3 rotateByCameraRotation(vec3 v) {
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vec3 r;
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// rotate along the x axis(yz plane)
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@ -119,17 +147,22 @@ void drawWorld(void) {
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GLdouble wWidth = (GLdouble) glutGet(GLUT_WINDOW_WIDTH);
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GLdouble wHeight = (GLdouble) glutGet(GLUT_WINDOW_HEIGHT);
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// Calculate current camera position from rotation
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vec3 cp = vec3_new(0.0, 0.0, camRadius);
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cp = rotateByCameraRotation(cp);
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cp = vec3_add(cp, camCenter);
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vec3 up = rotateByCameraRotation(vec3_new(0.0, 1.0, 0.0));
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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gluLookAt(cp.x, cp.y, cp.z, camCenter.x, camCenter.y, camCenter.z, up.x, up.y, up.z);
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if(settings.cowsPOV) {
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setCameraToCowPOV();
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}
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else {
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vec3 cp = vec3_new(0.0, 0.0, camRadius);
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cp = rotateByCameraRotation(cp);
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cp = vec3_add(cp, camCenter);
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vec3 up = rotateByCameraRotation(vec3_new(0.0, 1.0, 0.0));
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gluLookAt(cp.x, cp.y, cp.z, camCenter.x, camCenter.y, camCenter.z, up.x, up.y, up.z);
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}
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(90, wWidth / wHeight , 1.0, 500.0);
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gluPerspective(90, wWidth / wHeight , 0.5, 500.0);
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// Lights
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glEnable(GL_LIGHTING);
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// Ambient light
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@ -144,7 +177,7 @@ void drawWorld(void) {
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glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);
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glLightfv(GL_LIGHT0, GL_SPECULAR, lightColor);
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// World
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drawCow();
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drawCow(settings.cowsPOV);
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// Ground
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, settings.textureFilter);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, settings.textureFilter);
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@ -159,6 +192,16 @@ void drawWorld(void) {
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glTexCoord2f(1.0, 0.0); glVertex3f(50.0, 0.0, -50.0);
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glEnd();
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glDisable(GL_TEXTURE_2D);
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// Add a simple cube to see where the cow was originally facing
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glPushMatrix();
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glTranslatef(0.0, 10.0, 50.0);
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glEnable(GL_COLOR_MATERIAL);
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glColor3f(1.0, 1.0, 1.0);
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glutSolidCube(20.0);
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glPopMatrix();
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glColor3f(0.1, 0.3, 0.0);
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glCallList(grassList);
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glDisable(GL_COLOR_MATERIAL);
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}
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void display(void) {
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@ -272,6 +315,10 @@ void onMenuItem(int item) {
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settings.lockYMovement ^= 1;
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glutChangeToMenuEntry(3, settings.lockYMovement ? "Unlock Y position" : "Lock Y position", 0);
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break;
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case 1: // cow pov
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settings.cowsPOV ^= 1;
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glutPostRedisplay();
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break;
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case 2: // Show help
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settings.showHelp ^= 1;
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glutPostRedisplay();
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@ -339,6 +386,7 @@ int main(int argc, char** argv) {
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glEnable(GL_CULL_FACE);
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glCullFace(GL_BACK);
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generateGrassVertexList();
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glutMainLoop();
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return 0;
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