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rocking the opengl

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This commit is contained in:
benfry
2004-12-10 21:17:18 +00:00
parent e2f4e7be89
commit b7e03430d7
5 changed files with 97 additions and 57 deletions
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78
core/PGraphics.java
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@@ -60,7 +60,7 @@ public class PGraphics extends PImage implements PMethods, PConstants {
// needs to happen before background() is called
// and resize.. so it's gotta be outside
boolean hints[] = new boolean[HINT_COUNT];
protected boolean hints[] = new boolean[HINT_COUNT];
// ........................................................
@@ -296,7 +296,7 @@ public class PGraphics extends PImage implements PMethods, PConstants {
public PImage textureImage;
static final int DEFAULT_TEXTURES = 3;
PImage textures[] = new PImage[DEFAULT_TEXTURES];
protected PImage textures[] = new PImage[DEFAULT_TEXTURES];
int texture_index;
@@ -537,6 +537,7 @@ public class PGraphics extends PImage implements PMethods, PConstants {
// reset lines
lineCount = 0;
line.reset();
pathCount = 0;
// reset triangles
triangleCount = 0;
@@ -561,11 +562,11 @@ public class PGraphics extends PImage implements PMethods, PConstants {
// (but can't return, since needs to update memimgsrc
if (hints[DEPTH_SORT]) {
if (triangleCount > 0) {
//depth_sort_triangles(); // not yet
depth_sort_triangles();
render_triangles();
}
if (lineCount > 0) {
//depth_sort_lines(); // not yet
depth_sort_lines();
render_lines();
}
}
@@ -613,6 +614,7 @@ public class PGraphics extends PImage implements PMethods, PConstants {
vertex_count = 0;
line.reset();
lineCount = 0;
pathCount = 0;
triangle.reset();
triangleCount = 0;
}
@@ -1115,6 +1117,27 @@ public class PGraphics extends PImage implements PMethods, PConstants {
}
// ------------------------------------------------------------------
// 2D or 3D POINTS FROM MODEL (MX, MY, MZ) TO VIEW SPACE (X, Y, Z)
if (depth) {
for (int i = vertex_start; i < vertex_end; i++) {
float vertex[] = vertices[i];
vertex[VX] = m00*vertex[MX] + m01*vertex[MY] + m02*vertex[MZ] + m03;
vertex[VY] = m10*vertex[MX] + m11*vertex[MY] + m12*vertex[MZ] + m13;
vertex[VZ] = m20*vertex[MX] + m21*vertex[MY] + m22*vertex[MZ] + m23;
vertex[VW] = m30*vertex[MX] + m31*vertex[MY] + m32*vertex[MZ] + m33;
}
} else {
// if no depth in use, then the points can be transformed simpler
for (int i = vertex_start; i < vertex_end; i++) {
vertices[i][X] = m00*vertices[i][MX] + m01*vertices[i][MY] + m03;
vertices[i][Y] = m10*vertices[i][MX] + m11*vertices[i][MY] + m13;
}
}
// ------------------------------------------------------------------
// TRANSFORM / LIGHT / CLIP
@@ -1193,8 +1216,8 @@ public class PGraphics extends PImage implements PMethods, PConstants {
}
//protected void depth_sort_triangles() {
//}
protected void depth_sort_triangles() {
}
protected void render_triangles() {
for (int i = 0; i < triangleCount; i ++) {
@@ -1225,8 +1248,8 @@ public class PGraphics extends PImage implements PMethods, PConstants {
}
//protected void depth_sort_lines() {
//}
protected void depth_sort_lines() {
}
public void render_lines() {
for (int i = 0; i < lineCount; i ++) {
@@ -1368,33 +1391,6 @@ public class PGraphics extends PImage implements PMethods, PConstants {
*/
protected void light_and_transform() {
// ------------------------------------------------------------------
// 2D POINTS FROM MODEL (MX, MY, MZ) DIRECTLY TO VIEW SPACE (X, Y, Z)
if (!depth) {
// if no depth in use, then the points can be transformed
for (int i = vertex_start; i < vertex_end; i++) {
vertices[i][X] = m00*vertices[i][MX] + m01*vertices[i][MY] + m03;
vertices[i][Y] = m10*vertices[i][MX] + m11*vertices[i][MY] + m13;
}
}
// ------------------------------------------------------------------
// 3D POINTS FROM MODEL (MX, MY, MZ) TO VIEW SPACE (VX, VY, VZ)
if (depth) {
for (int i = vertex_start; i < vertex_end; i++) {
float vertex[] = vertices[i];
vertex[VX] = m00*vertex[MX] + m01*vertex[MY] + m02*vertex[MZ] + m03;
vertex[VY] = m10*vertex[MX] + m11*vertex[MY] + m12*vertex[MZ] + m13;
vertex[VZ] = m20*vertex[MX] + m21*vertex[MY] + m22*vertex[MZ] + m23;
vertex[VW] = m30*vertex[MX] + m31*vertex[MY] + m32*vertex[MZ] + m33;
}
}
// ------------------------------------------------------------------
// CULLING
@@ -4614,12 +4610,12 @@ public class PGraphics extends PImage implements PMethods, PConstants {
*
* (note: no need for bounds check since it's a 32 bit number)
*/
protected void calc_color_from(int rgb) {
calcColor = rgb;
calcAi = (rgb >> 24) & 0xff;
calcRi = (rgb >> 16) & 0xff;
calcGi = (rgb >> 8) & 0xff;
calcBi = rgb & 0xff;
protected void calc_color_from(int argb) {
calcColor = argb;
calcAi = (argb >> 24) & 0xff;
calcRi = (argb >> 16) & 0xff;
calcGi = (argb >> 8) & 0xff;
calcBi = argb & 0xff;
calcA = (float)calcAi / 255.0f;
calcR = (float)calcRi / 255.0f;
calcG = (float)calcGi / 255.0f;